STUDIES UN THE PATHOLOGY OF
AVIAN CCiCClDlOSIS
THESIS FUR THE DEGREE OF M. S.

Henrik joakim Stafseth
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stud es in the Petnology of avian coccidiosis.

Introduction.

Uoccidiosis in chicgens is e disease which is
steadily gaining in prevalence and imfiortence. It is
no lon or considered to be e mehece to young stock only,
as we now Know that fully grown birds are susceptible
and may uffer rather severely from this muledy. innereds
of ceickens, young and old, are sent to tnis laboratory
ennuelly to be examined :or positive evidence es to tie
presence of coccidie in diseased birds. Ins nistor: of
the diseese outbr eke, submitted vith the various con-
signments, together with the gross and microscopic
f'ndings seemed to indicate tnet lesions, rethornomonic
of coexidiOSis, usuelly occur durine the first two weeks
or so of the disease but we: later change to such an
extent that it is diiricult to mane u diuenosis merely
on tue besis of pntnolOgiCel changes, i.e., when one

‘

is deeline with the disses :8 it occurs in tee smell
intestines. Loreover, it Wes noted that chickeLS, sent
in eurinr the early stages of the diseese, inVuriehly
snowed numerous coccidiu in the intestinel conterts or
screo nee from the mucous membrane, while birds, that
had been sic: long enoueh to snow such symptoms as

paralysis or extreme weakness often appeared to be

entirely iree irom these parasites.

This study was undertaken in the hope that enough

1

might be learned concerning the pathology f coceidiosis
to ensble us to dievnose this disease more exactly in

it chronic forms.

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historical.
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there is not e greet deul of lite'eture evailublev/

covering the pethOley of avian coccidiosis, excerting,

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01 course the usuel descrittions of the cross lesions

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9
of the common iorn of the dissese us it effects chicns.
as most boogs and bulletins on poultry diseases treet
this bhuse of coccidiosis quite well no further mention
of it will be mede here. rue chronic :orm or the type
thet effects mostly the suull in estines is less iully
described and very few publiCetions indeed contain any-
thing concerning microsCOpic lesions.

hckurdt (1) states thet in subecute or chronic
eases the intestinal mucous membrane is reddened in
Spots, coated vith tenacious mucus end us though dusted
with flour. Such dustiixe * ints coedsionelly occur
also in the liver; tgey nre then @150 due to COCCiulo.

duel-v (2) describe‘ unite fully went he culls sub-

01

heliel infection. he iound "mere oite cysts"
edjucent to the base of the c:;pts end in the core of
the villi and sous tlJGS they were peeked in the cores
to the exclusion of neerly ell other cell structures.
In such eases they crowded closel" on the anQJeLt

0

membrane and were often necked solidly slung the

musculer well or in the musculeris mucosee. Jere end
Gullngher (b) hev merely this to say about the
snatchicnl 031d'zgjes in the shell intestines: "Lhe lining:
membrane is deeply congested or hemorrheric”. dutyra
end here: (4) mention intestinal cetnrrh or enteritis
with petchy desduemution of epithelium. they surjest
that the sudden u€utfl me; be due to secondeiy infection.
Leinfierdt (t), besides describin: the anatomical chnn es
OCC’ll’il-j" in the .cute for-n.1, mentions the occurrence of
teti'utheritic 1;1e;t1b"-t.1;es and smell yinheud sized gfrt.;,'ish
ioci in the mchus membrlne of chickens afiected nith
subccute or chr nic coccidiosis. ie seys thet those
ioci are nothinf else but immense messes of necro- end
micrcgnmetocytes in the e3ithelium of the ylnnd tu ules.
Joest (d) found coccidie in the enithelium of the villi
end the intestinal glunds with desuuemetion of enitnelimu.
In places the ejit'ieliuxl us coi.1'_oletel;,‘ lushing. ihe
connective tissue or the nrOfirie wee iniiltreted with
leucocytes. Otte's (7) description of the inttstinel
lesions of coccidiosis is very siniler to those by
ncknrdt and Reinhnrdt. 36 states the* in inc liver of
older birds one 01h notice li ht swots. nrijysuen

(v. leelsber en) (8) describes the nethologicel enntomy
of nerhcute, deute, sub cute end chronic :orns, mentioninf

very briefly some nierosconic lesions. ;he ch;nfes noted

do not differ from those ulreedy rejesred to. he ncntions

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nusbers eeing fourd in the middle jwrtiOh. Que mucous
membrane becomes swollen, covered Lith dirty grayish
exudste end mey stow some hemorrhage. the retholo;icel
changes are associsted Vita tee seguel portion of tee

liie cycle. ihe genetes are lsr e end develOp deep in

ues. ice asexuel Iorms are smell uhu ere situeted

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uoerficielly. Le states tnet deficiency diseases may

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develop cs e result oi chronic coccidiosis. ;o evidence
s jkuuul to sled tnet coccidi¢.]xmyluce lesions in.tse
liv=r. Leupo's (is) description oi thetcst mortem

'iii.di1r7s agrees with those of the other mergers whose

nor: hes been revie es.
Lieerimertal

Source of material. Ore pert of the meteriel

 

consisted o: ciicgs, froniL~ stoc; or edult Lircs cLLt
to tiis lehoretory for ex-ciretion. :he other pert

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were kept urcer obserVetion ior soae ti;e to see i'
they snowed any eviuerce of heir? injected Vith coccidie.
Their droprinfs were examined for the presence of oocysts

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d the general spec resce of eech bird wts cerefully

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noted. If S"mptoms of disease were observed or cocc1 is

found in the droe"ings the bird concerned Hes not used.

hethods: rue coccidia were sporuleted in mice glass

ishes on the Lottom of union were sliced two legers 03

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filter piper. A two per cent solution of potassium

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Larvae: L0 cellulLr 1Liiltration.

U11 October 2;, ltaé a: third coclzerel Lug: lemma in

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coccidia.

Liver: Ihere is a moderate perivesculer in-
filtration with undifierentieted mesehchymel cells.
Some of tne Capilleries are injected.

Intestines bulked areas of infiltration with

 

undiiferenti ated mesenclr1"mel cells in tne strome and
muscularis muc03ee. The epithelium is hell preserved
except ovsr the tire of the villi where there uyseers
to ieve been some techenicel cee ti action. Inere is

congestion 0; tie ee iii rise in the fieeper yortions

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Of tlle LILLCOUS IE:II.oI'e~llG. ill ::.OI..L: t;b’G..LOi.S Uié. fr.-e-..ter

:o; tiou of the villi is sissin . iuis me; be one to

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but mirht else be one to u receit cocci " osis infection.
20 COCCidie were reco;jizco in the SGCtiOLS stuuied.

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Seives;
m

Leter three more bi;es uevelooeu chronic cocciuiesis
s':.10'wi1'1,:;- anemia. and emaciet ion. “bout the micele of

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a clean »U1 1.a 00103ege _lour LLu 1 -Uu 11‘s 111cr
2110t163 b1ru any; 1ounu pJULUJJ" 10p ebulessu 1- duet

Wortem exquiLgtiOL ruvcgled CuudeLgl cocciuiosis.
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or "241113813 LL41.1cve]xx¢eu 111n;f tACLH 111_ t}h;,fi bi1mas
”eneiv‘u :10 S130 kind of iCLu.

gol1on'n- the 1b1101t11n oi a prelim_n11 Hegort
(Ll) (n1'2118 a: sqihmngt ‘t \m13 sag-1x-1cu 10 Lu, tmgt
£19 leCh881 11¢ ‘1rglfsis OLSs“Veu ih cocoiuioeis
11 1t ac 11¢ -0 1113;“ L1. ‘cnc”11 Touflhcss. “ouchr,

JCngl es; ; seams; to

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$10 ed 2111

we uFBS OCi ted uOle OdteL iii ufiduuLvl COGCiuiOS i8 tuLL
with ‘1 00301110518. 119:11011, 511408 sec 1 cocoiuios is
is tsuufl; tge u re vbvere tyye one LLn unruly 1961

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'3 —St L lUE\ ill LHL .l.lL ‘L‘t llfip lb buéslA‘K/t ‘ 01‘. ":\../~_1.)vv_Lv .L [AIL 11L .1."
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1.1.1.}. {:0 98d L-$*L1-Ll-b “ by L Sr¢AkL L-d. .L C CL$$~ 11. +0.3. (’4’;-
au1L111cn over a por1ou o1 tnrc~ "1rs.
V—: . . - ‘N 'w. J"\ ‘1'“- . I . -' + “ ~ . 1’ ‘
1.116 1t 13 tzu. wuqt .uspe uu1u 11 -UJ. -010 1.11
11m 111 cocc1u1051s 18 116 cause 0" le; ”Gg-ICSS “Lu
3" ’ \ - ““1 .‘ 4“ ,\ ~" . - ,1 - ‘V .-.g v '. ‘ ' ‘ '3 "I" ._‘ 4' ‘, v_“
'.~.L.-..'~-L. clS, uplbv \At U.~‘.t (-31-, LSt 5‘» Sl 1111.1.Cu111. tHA‘K/L1U.
Judl1l‘t:1s 1111 110:1; OLHZL1“C60. 1L. -1011- 1: “a"u-' :15

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.&

power 0 351%:11 Hoe; 01.. o 1101::3 111111;" at 1'. 3.137. '1‘110 02:1.cx'

broué‘i‘rlt in nine pobficlfzeo 0-110;“, some '."'.,1i"*e L"-:‘-11or1..s,

_. . ‘ F - as! . 7‘ .4.‘ r.‘ _’ “- .__. u ’ ‘ ,1 .L'fi.‘ 1" _g A
80.48 JJQI‘I’GQ 11.00. “ _..QI' eonuhlJJicgt 1011 c-1ud .18 JLLC

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Schuft045 e¢W3kfllaulLUSS 14A1 t 1st13,; L1 t11 Ines“. 1mm1e t-quJ

otdors toe ilrst t-ixj LoLed i? tout too: 039 oown oooUloxely

1.15.65.

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so for". ’11e owner moo GTTLJJili‘J-u severe; 01110-}: 111.1,. Snug} 110

s fns o: oeowl cocciQiosiS. “11 Line oni~gs showed severe

Ho

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cotarrooL quULLl.lS who Cqufilh‘s I‘um Cu“ UHOmGLul muCOSa
Oi elf‘ilf 0'. 12-1611 rovemieo 111.1'11‘U11631‘Lbi8 81.1311 COCOlCnlL. file

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QLQ to note L0 more serious t ale no; been exoor1tered.

On one 119,121,? t‘u'o ‘_-"i;"‘€OLS 11.1.11 two 0713-1011:: 11-8 brougf'ht
to tie lobormtor: jrom a negro: town. 1ue history, gs fiven
b" t}n3 CNVLBZ? vnflz 11S 1(Jlanss- "133: 'ieo;nles:3 arm: diiganu3u
ocnn“ in some chicks one Fl“COLS. 1&6 latter ngO loose
control of Win 8. Jovergl 0; one pirooys h1o becoue

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lost JNAotlt» oho kUCamG osko V“ fioct MUELGH cuomihgn10n

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one 31"”801‘1 3,10 ‘30. 1'1“2-;el":)‘.3$ 1.19.1.1 1;".11‘
1;:nixao COCCloiosis lnzcotior1(:&m1ll “no lorfo COCClu;cJ Yhfii
fonxd in t10 Cliche. In two h1“eous tdore Hui cEOG‘Lgi

Cgtarrfi oLd sofoiiuwg £303 *Wo gnoHCL1l mucosu s1ouoo Lm1orous

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U00 Lug-V b..- O « 9-11,}. _L-‘o-«QL’ AlL (A‘LLLkJ. \- ‘L ‘3); L k! L" 1.LJ.L ‘JLA—LKAJ»-LJbu I ..- Can/ll;
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fleje't': 'L\.4 1.1 ”$11569: L. O ,'.1.'€‘t:;l.'. 1L; E411 ..1-o r.- '_..--_1-- .- s. . 41.1- ._ 00.“. U _.‘U C‘ 1t
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tdeir food rEOfier y.
Joceltmfl is 11‘. :‘L'Wo I5.
1311 June 1.2;, 11:37 seven oziolze, 2-1.0th $1.; meats 0:11,
were brought to the l boratorf by e member of the college
steaf- 10 ‘m-e (3.:13’11g; 011 elee 331t1tlticu1 c.37eriugexdns. lgxsse

GillCLLS .e:e e-..:"e.1el;.' p.10 c.11o.'.'1._r.i octlte, hegerghogic cecal
coccioioeis. Lye 011317-11 e of the ceo 5.11 eve-.1": inatelwe
f.1egol*zeo bleed. -53 taeee
Coicgs tore loot in cleen guertCTS o; .10 SGCOLQ floor of e

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number of uth LrchrC to Te sc;imoLts 1; ;y
the nfiltrui31n1 LreLs :gu; in othLL' "le wortixu1
consists of t ssuc 1 = ' ; W 310 a c¢115
txc borders of {ac LreL Lre

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‘.lCl.10:1L1'lC...'.U ) «.LJ.'L.

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111211030113 scxizzomzs, 1‘i—j‘u‘1‘o VII. L“-1-e section 5; 117‘s L
ngber 01 oocciciL iL fig: L'*'r fi1:: of the villi.

 

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11539 are ”150 preps of ilfliltrgtiOL Litn uLg‘iichLtibted

 

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01"" L .0 .t l 3 L»: 1.4:: V .L-L:Ll o _L... a .8 t 15.1. - ." 13.1.- U; 1 4L

. ~s v’ . . - ' ‘- ‘y' N. ‘ 4' . '- "‘ ‘ I‘ ‘. ‘~ ‘
t l- s 0.1-. N. OL 10 I 1111 £~1*u .Li::; “4-1 - U ‘5 1‘\C U-L 0+, $4.18 a vir. "I._/ Lviqe

Eflwlhg% of coczxiuig. ;;15f LJTB loc;te£11M3101 ting] tclsl

. o ‘ _ ”’5 .I -’ .’. - -‘- f .: .
415%49 .;. H #01 “re lccwguu Eh

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H

. .‘ ‘ ‘fi - ' J“ :— . . '1 N - ‘ N -»\ - 3 ,~._~' . - .- K" ~‘ I‘ - ' ‘ ,‘
tlccue. 1L L‘ls chtl n Che Cmu 3300““128 t: 7gOuUltbc,

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. )ue ac;1zeht la Vt"

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1‘ -. .. -. - 1- .. .- - x,v.-.4. K .‘- .. - r v, o . ., \ .-
Azle‘. name “:th tutu Db wanna: “Vt ‘ 11- Ofut‘r' to cm. .L

‘ “" ‘.‘ -'- ‘ A“ P 'w \. ' -" . -_ ‘ - “I I -‘ ,
taut JOle dcvclop concrlcuuus Erm.~0m5. .o s¢;¢

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37'4137‘50n18 LCVGlevcu. -- +-.- 0.. tut; uLms .__LL_;\311,3;_eu
.0 ..' + q- ‘.‘ _ V-.. A . 3“ ~1 ._ A ‘ ”v 4. Q’\ .‘ . -
‘31 4‘ -ul‘ blooum 01‘0‘ ..LLS 0L .;Lutb .l ' _‘ lut. ;, Lat; “1.1

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SlLJ, mJOpflL i as .euusr ”Uta. $.o wifus nU‘e ”liltd
" ‘ J. , ‘. “.3 . 1' 1
JeéLemoL: N?ta

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‘1

type. “ sli ht gnuuLt 0+ bloud ““7e,reu ix tie d?0““irg

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a few dare ;itcrwurds und coccidia were found 1n the

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October 11th cm tile 1'cz;.u,~iz;ihy three on October 17th.

‘i‘le 0111;; post mortal c'i'lu'rr-cs note-.3; in these birds were:

A.

slitut flabbiness of the hear; in five of them LLJ very

mild Cuturrhel enteritis in ull. Since the petholo;icel
chances Ware so insignificant no sections were mode

‘

from these oirxs.

It mu" seem unwise to nsve uubu birds coming from

0‘

coccidiosis infected sto=x for such egperlheLts, out
it must be remembered thet cocciuie ere 00Lsiuereu
nearly ubifluitous and that ugtil very recently such e
thin; as iumuLity to coccidicsis Was not seriously

tnought of.

GOCCidiosiS in Chicks.

(

 

In the summer end fall of 182) a study was made of
gross emu azicz'cscoyic lesions ‘30th in tuxenty-Iive cilici;s
sxowiuf various stefes oi coccidiosis. n Cescrirtion of

the lesions £01m in clicks Los. 1o, 17, 16 1‘. 20110176.

was Lot lQQLU in tu se thLG cuicns.

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nhGMiC end Groovy.

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dccttered :etecuiee in smel

cc u: Listenoeu witu ces nut LO lesions 0;

cocciuiosis.

-30-

 

smell ihtestihes sh v considerable :etcuy oesuuegetion

o: e ituelium. inert ure consiuerable numbers oi

L)

cocci ie in emu just belaw the eoitielim” oi tue villi.

Inese cocciuia are retuer evenly seettereu. th fluLQ
epituelium is entirel: free from coccidia. host oi tue

coccidie ere founu Lcur tue tins 01 tue villi 0L1: e

Lev ucvihfi reuchcc down to tituin one-tiiru to cLe-fiitu

. f) .t.‘- r ‘3 .- ,, . ,. i _. ‘1. , , , .‘i‘ ‘ ._ .._. . . .n .
oi Lie cistuuce ir\m tue bottom oi toe c: t to tie iree

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.Irti.e .l.0L.¢l-(.lt 17$~1U .a..L4L ‘ I'Ql-i'..L\.’.c.;.LLL l .LIL Slzc ‘ uLJ. ‘LO ll); [.;1 \jg..\.|'lis

1- a o S _ ‘ I‘ n .“\ 0' ‘ l 4-
LLLie, 111*: trm; lii'zxr 01R_$ LO] c” refinles tgmstli4,t

q. -' ”u w ‘ r ‘4’ ~ . N . + ‘4' —\ H 1‘ v _ _.
alui CL h cleus. oUm* oi t-eu c-e si.ue.ec vectc eLe

1'":

schizonts vergihr in size iiom so 3 ea MlUTOLS to 31.4

~ *7 a: - ~ .~-.. _ 's -. 1 waif: w :
4 ca.9 mic30us Jule locw.eu ”clou tuc efltielium. iuere

is LO cell reucticn in tee iLiectec execs. in Inc stroma

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O-L .3011 014.3 c-c.L 4-3-1-, billed stuck; -onm 11; £13.01; i..;i£rJ.l-c-l

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tlS..-.‘.l’\.3 tOI..L-r{1 Lin; base Oi Lit \liul. ,‘iU c:C..’ll~Ul-;S
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‘I 2—«.-" 001;:th4un1.‘ A- L]- 4L6 (- l-\.~ S.-:"NKCQ Jot-Ab 1034.. g. 1-80 -t

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x ;;,.L ;4;:;wnis ;J-g “440t2h53 141.4.;: Lid-£3. Iii eiLVtaeI'

ZOStiQL 0; tie smue section tn re is u l r'e coloL; of
scuiuozts (StoiLed Lluisu). iuey 03A in the s

‘_‘ _ o A._ _. ..‘I _‘1‘ . "",‘. "‘ G ; o m_ ‘0" J- . I - .. -L Q '.
;.L’.;(JL)QL.«C ,_ 2;. e i 3.. ,4. xlb .LC'BLOLL .LC .00 l:-.-', C‘ .0 UK:

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u ObJCCthc (ieitz). -ucre
is mergeu iniiltretion wit; uheiiiereLticted ucaegcnfucl
cells, coLJiieru le memorrguje end gleLu tubules a:

. . ~ ‘ ., ‘~ ‘ '~" ‘ .A> .‘ . '\ " _.. '0 h 'i'“ I \W‘ ‘-. ,-I v\ V yr. 4.-
61t1er eestro eu o: uisyieceu. lug sciLUOLts, t LL-

in all, are situctec ground the perifhcrv 0; 3e lesion.

ilzzxcetiIJ-t tuut tue: represezi sieees out o; ix'uicu se..1:;<u-ts

hive QiSL peered. several morouoites uhnut l? x as

;; crOLs 13L? use :ouiu in tuis lesion tOjetger ige guch
tissue debris gLu it: e hhHDCUS o; lesmu cells. iue
cell infiltratiox 4;;euu; fused“: .;e musculwris mtccsue
and at one "‘f‘OLL‘t, e. usuicll the i‘ibres of tue 1.. user--...-. :‘is
:iucccce c;€ecnmi‘letel” ccs::*;weu, 4o: L~xflflwfiiqUTgbl€

H -

distunce into the muse l.r cott. vii; c iei fivé e vhu

-9;—

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lli‘él‘e

ntiuteu heseuchgmel cells en’

H-

smell UOLLCC

+

l'x'e

Uocgsts

7 ‘- a 7 ~ ‘ . ‘ ‘ ‘ . - -~. . 1- ‘. . -3 " " ° ' ...
(236 .LOTuiu 1121K; elm; tzicifl t n30;i:lu (t i As Vlulll. 11L tee
Q“1)A“\i+ ':.i"- 7 +1122,an Md 1‘. 0‘16? ‘1 r. C: OW w. “A 1 N a:
~L‘. VJ: t. L 4.1.94... 5 -uk..L-C\.. (”1‘ .L. e .1 .. C.» On. .ILJL bilbbeb C...»
er e Ol'ELAaiiSP tgth cccgsts ;uH3:LouLu. iflmxme froccbl;

reireseht seices out 0; filled tee cysts ucve fiesscc. in
., _, .\ ‘-,. _ '4- ".3 . _, \ ‘. \2."".~ - - .... .2 -
A;Lfl“ I. 1’5 3 Q ... I. L A - ... ‘ i k, L I S :2 1-; Cr" \y-~' k L. L"..“ .L-
x . ‘l c‘~ twe e91 'e 'un ~ 0' i ll 3 x-cucles 1- u
+ ,‘ M A r s - u _ ‘ o .. _.. J_ i o u“ o ‘3‘. _ .
guese flices toe ‘pliflellmu seems LO cc clOSlL. 1h i-om
tee siues.

‘ ‘ ‘ r... J"! . ' ' -1- “ ”\‘g " .... " "‘ ‘Ii‘. ‘ ' ' -'

cecciz inc- e is e. gUlicL‘. e slcu, {ling- oi mucous

 

3'

membrene, the villcus ortion beihg cluost eLtire

destroyeo. iii/.14.; ylcncs .3104 occyst in tile lumen,
A (u). In tue chd eritdcliuu tuere ire c fem t
and Lumcrous VaCflOleS mulch *ery li;elf represent
et-‘ucu;_t0d by occysts. l.ux.1e:cus cocg'sts ere i’culiu

1 Q“. - . ~ ‘0'. -.- ¢ _ i . - —- ~p ‘-'
QILL¢L"tlS:ll€S t.ucum. t leik. 91430 :iuru.eu

\11

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_ ‘7» 'fl 0 r) J‘ n“ _ J_ O 4' .‘ '
uuuiiiese;;icted me

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cansailso icco.IH&{ifl,. ilG con

7

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'i‘cjul‘li, .LLC‘C-.GL-C Litigatficiul. 11.4-»; i451. Ju .L‘g&b.LC OL‘U ctS
O
' ... T. (
4130 .0. lo.
a —.'2 . -— '; (I‘Vk
J‘. neth 01::916 Jill‘: ‘6’ ’ I/ 4‘! Vt.
11.. .... J. ‘ .
.5 T1-l"."_0113.
_..k.._-h.——_
~ ~v ‘ qn~~ —: ‘I, + l‘ -v - O". 4'; J‘ '. .i‘ 3’2. - V . ~I~‘~I1 -.
93003; and sli.iti‘ c,cLoLic. icts seemeu sti_ie
1 _ . m : »— ,, - .
;,_c-.C:O-:CCP.LC LLQ:lOL.S.
Lyelcci coccxu10sie iGSLULS in ceCc.

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O ‘Y’TlO (3319.11.71? S

 

 

iLiiltration L

i.

4 a'. 5'.
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fi-. .

r. sibc e ..
‘

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nchfmel cells in

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c t More;

t4

'ith

-t/u"

.." ' .-"‘." .", 1+! .' . ...H‘ w . ,7- ‘fi‘.‘.4..'I .‘
Luici---_;~ie--.iuted m8:G--C-lo.Li-~l cal s. cc... esthL.

oece: lie ctit;eliu4 c; ;Ie villi 2103s 1 rvo

 

sdurms of covelcfiinfi fflxgs oi coccioiu, ti ure ..
Ll‘te‘.‘ are so 11116330318 thct the; cute caused e-~;to;..si\'c

cescuumction of ejituelium. “luost every {line tuoule
s?uy1s i LnfiSG IAUubGLTS mi (flaccicjit iL _fix: cpitix;liuit

.l I'."'I’ -’. . ‘- -" J‘ W‘ " “4‘ ' ‘ . " “:"" +3 -‘ -.
¢. 'Lf LLB ,gJ.’ .-.OQtief 5110;31LUL'ZOLLGC‘: pal-;-L (CO L-Luoligso I}; tilt;

'. ,i...‘.._._‘,-‘ + .1 t - ‘ ..., ~"-., ‘9” ...
.LJ-.-t'v‘L‘ _...J—LLLU. Liv la oiSQ‘. i S (0.38 192.1... U ~~.‘AL SL.lL/~.L.LL1...' SC L;.;Ol-1.s

)—
l

eh; n merous oocycts, gijure I“. Shere are some icirl:
lurpe heuorzuw ic crews. In ch microscric field (10. 6
objective, :x11 4) thrJe :fihuui ttbulcs were iknutizht*uhicn
tvlerc were so 1-1;..11" COCOiQiL. that 1-0T. 2.. snr‘le int-.-c‘t

ialtiielittl cell could. :e Cetec’4cu. L‘lli‘ou "11011?

(D

section severe; tabulee here icuic in c similcr s::§e oi
oestrjcticL. inc liberation o; tue coccicii from ;xe

:lc;;u t;ji..1elii LL tti:*s ‘1“ cg: ilgto tin; SIITlW)Y;n ils‘ tlJiSilb
crud not into tg-ie lumen o; tut, logic unless to e. LLUI‘

lessei*tu;jr e. --ost (x: the 2:11iaouts :trnseLt try: Leer
rouhu and eccut 13.3 “is“ons in cicmcter. gnus tle; tre
most li;el“ o: the third :;Ltrwt10ho :ue cecti CULttLtS

O

cOLsist of tissue debris iLLuuerucie ccc sts, uiOUC LLQ

 

'-‘ ~-‘“ ... ' 7‘ (31‘ t "W .. r . .- 1| . ‘- " -‘ "L- -“~ 1 o ~. + - '7 “- t ‘J. r‘. J‘ ‘ ‘fl __
Iii c' k)1d-_. p -.LC...C 1.20 .vlhlb. “LDC L .L'L-jtlhl-» .L~ .L-.L-.L«b .. -.-b

. ‘ » u-. , ‘- v ‘I- - .- 4- '1’ . .- ‘.‘ ~ 'H 4‘ -.-':. + i 2 s. ,. l” :1 ' _ _
UHCV Luilk‘. ‘SOLAG bl 13x5 -ILG lO'.,L.C ‘}\«.;.1. O... t. '~tl 2:14»: -'!_ .L‘.: vat.

"u

gie re vlt oi sucu ch 1L;Uot10n mu: oe ictcl utuogggcge,

due to the uCVGlWVmuLt o; lunchfie thULT? o: coccidie u

1;.- 511c71 e;;t<:i;€i\‘e

H-

~ - ceccl mucous membrane Cums

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- ~ s —— ~1 ... -\ .‘1 ~- --.,‘ ' . I "g-.\‘ . ‘z" “'r
°onsetueiiu.<y leis LL.-Luugtiituout ichxngitom s,L to1m1

7 ‘I -‘ N 1 A “ I "n 3": -" + - ' ‘ 1' q n \s a " r
i}: suc-1<nis—s L. ost Lu3.‘ tCLlfiluJJll¢~olOL.fitLii 5 AL.
1.“: 371-11]; v~"1+‘ . 1' .| I“ ; ”an.“ ~ _-- a V ~ 1;; 4‘“ 111‘ - ‘ 4"“, J
i -1.1L._L‘L.K4 - b .Botlu_ ILL...O‘L~1$L~; Ln, loin L 011,1 “A,

serous LLJJUI‘LLZLB in the cecc, 1.1.5. - uite citelt also in

_ fl‘ _‘ _I " .0 ‘ _f ' _ + l' ‘ w -~. fi . _ ‘ .“ v. 1 3 1
Cf ':CL-L.LJ..LL".'_.Ld’ D‘HJL. 1 1‘-C;..O.LL. Zb‘U. L: OvCL.
, , 4. ,, .fi-H . 3-," ,.+ +.. - v
ix315 cL1;c tthLuiis Latciu.itv lum3-i41} . .u1eigt._tz,s

, c;ills (cio. Lin ) rui led icct crs

(I)

wiCTL'xilehes
drooping ll“ t_-61:.L—r-c.l Cz'ocpiitess L341 'L."eL.l:1-L ss, .jlocd"
bloodstuiLeu or 93ccniSA are *iu s are almost sure signs
of coccioiosis. Jiicgs so cliecteo wil' die c icy usurs
or uefs after sic in; the first si LS of uisense. u
post mortem ex dinction will revecl cheesy, core or less
blooo StdiLCo Hesses lh .ic cece. Lmese cheesy mosses
educre core or less to the ccccl Well eLd l eve u re:
euriece tiufli redcvcdt ifiua lower peat cflftlus Sltll
intestines usually shows hemorrhcjic enteritis sue
caterrhel.isnfibumnation.tsqi'be crescnt lil'Ule u*per pert
of the inte itilial t; ‘ct.

Young calcis affected witu culloruu tissues citen
live finite or yellOtisi Uiite smooth cueesy "“lugs" in
Lee cccu. liese "vlu s” ore Leve: migcutj.tu urfireciLDle

- ,, ..- -.-. —_ . + ....- L + '1 .... Q
.Ltlcta 0.. oJJJL‘c, L10 3.10. Lil-Auk; cu) L -L, oCCc... tell»-

;01' let. c Li rs. ettci-xze ‘ gel; re1unred.

-(11J-

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ih1e sweeLil hoe lQlO:l:
'N 1:” 1';- “.n.: _ V1 1;:- r. 1 ~'. ~. 9‘ a" ' ‘ 4

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or deegeeseu LLu is is i

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u.es.:lxns Lille . u;<p:es .re

.1. _ "I 1 ._..‘°_"' .+ ‘ 1-~-., ‘L. .: .3 l .

---1. L~.L L~-._.--B(J LCU. ”1.26.1 (.114.ch
:~ “‘1." "\“w’3't‘.“~ 3 " " ‘II‘ " 1’0" “ ~
L3, b—LV L" .‘x\./ -L be 1-1g". l.'\: lob-:- Ska-Pets

1nget (ziiLL;s

ire raiser

common sj.eto.s emu Lot iLfDCduCLflf t‘: hires loo; elert
“Le \fllIC Hell ‘itd TLC exception of tie inhlilit: to
Lee 'tzei: ileéu. -ie Lgi‘etit 311V: bL: food :Ln? “GAG L_uie
efte° p-rslfsis hos set in. Recovery does Lot..i;e fthC
bLLt t as Lnlio.xs 1L*' livxa jox'xlelgf aegis ‘Titil szuyi o1;
ifilioiion.

IL less ”evere elses ell oLe Lu: iotiee is e
vetsroe;ioh oi frorti qu venersl HLtlTiftiLGSS ”its

.LOIWE 0:1 less ” i

use to tie eestrmetion 0:
1101 use tsgen eleoe in

":1! 4' :1“! !
e-l-l.:..l<,~. .J ...LKJAL

‘ 1. _._-1.“ ‘..l ..,'_‘,‘J-, “..-
‘ 1-1L~1J..L.‘_t7‘t t mat .LULLS 1L11-Lik‘LLl.‘ L C J..L~.

orii.nalium Lil; LlflgorcLfl

V

+h-{WII‘ uL_W_"._",-‘ 7 .‘ +.}"+' ..'l a 1"):‘1‘14' .-A“I
.i.u gulps-Lg. 131-yvk: 3.1.4“; L: l b‘axl- Lll-‘

in ige eased berm ability Lo seoonusgf 'L-ection -LL
toxiLs ;s well as GOG”G¢S“G poxer or direstion emu
essiiilofion, or it as: be (we to absorétion of'tozio
meteriul fxon necrotic metesiel in the eeee. Jinee LOSt

birds inst sre effectee in idis ng* spleen slot 1L-

\ ‘ -'I‘ “‘- f K . 4"
VOlVCLLBJLt 0.1. JL‘LC JbCL; l".
.9 1 ,. .1 . -. 21*. \ . " ‘1”; \
LILSULL‘SL: ".30 1‘15“; .363 111 L116.
L . ‘. J .4. ‘ .° . ..1 " ..
heel oi iis trouale. n

‘

l. "'

lOf'iC’L-l to CC- Cl‘l'ux. txliwt

smell intestine: more often

|

Silliiz‘ 0:1. f’lb Lulb‘rQSCQ‘lV' Cu 1-355

-le-

~ --::-'. .: .n 4... .. .+--.4:--. ‘
O—h UCU‘j-L'-l.L(‘\_—. .LS O-L b-QO A-.hu—L—L _LJAE‘K;\-;~—Ll-Ll-i: ;.I.O..cu t:l--t

+-
b

oestruc 10L 0; yluuus Lesuuunltion oi efituelium one

clOU‘llL' o; tce uncous Lambrsne mu: be too estcnsive

to sllox “omfilete :eouir t tugs leCC. iuis as: account

ior tne fwct tout copsrcntl: ncultu; cuicleLs iuil to

cut on fileei even then Sea in tie best we: ‘ossible.
ghee Lll cocciLi iosis ciiects full: "re"; oixgs cs

Well as pvoxiny stock. It his been observed in we'ls

teeu1lohths 01o. ;.L symptoms muhiiestec ure gLLLrul

uituriftixess, loss of flesh, more or less ssesiu or e

yeculisr eels, fiiinsh color of the comb. Lew feechss,

*urul“e s, iLcooruinetion of Moves Lt LLu increusst

‘ Us; .130 be obse:*ed. Lore or less cicrrheu

me" be p“e eseLt in youn: end soult pirus uiiecteu Lith

O I.

LWUUCL l cocciciosis, but this is not Liflo73 s COLSC 101018

.
symptom. Tar: seldom do we see blood in the uSOfijin s

of chicgs or coults so effected. Slim" dr.p°inés ere
Lotieec mere oi‘ten. .1 post ..‘101-te111 e::.~.:.1i111.ti011 of." hires
Lilled in the Lerl; sttfes o: the cisause mill ususlly
s10": 1101's 01" less t..icl:e1-i11{* of the iLtestinLl well,
ziostl; in tne duodenum but clso once i1;11.£1ile throu;n-
out the smell intestines. you ind tluh the nicdle postiou

0" .- 4.“ .- ..i . -..,‘ .- :‘ -. -..a..,._‘ .1'
aill 8&0: -ue L08: ucrl-i s ellis; eLu, in :11le: ex-

soots gnu iemorriu es ore OltGL onsertec tnrou'u tue

1'1. 1

' . . - . . — 3“ ‘. s -: a-
serous cost. -ie Fre‘lSi s ots c: use” sestec molczic

U)

of cocaioiu. gce mucots membrcne is s olch, some Tlub

-1 .1 .1 - -\ .‘ .~--. -4-' ., ‘-_
t_hau§VCriC :mL ll ;im-.1si s.1%”s.s,

l...
(
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‘Ji‘- ’.a"“‘~‘ 4‘“ n r ‘ 1". " ""- r '
.z.‘ ”710.: C4-»li. \inOllieC L’J— LJ‘UCO

‘I

. - -. ..I . ‘ - ‘ . -~ ~ ’. h .o . O~ . - ,- I I: -. ”‘I -
tie t11l1 sic ,etec;1u1 03 Mei e or l—ss e111us

116303131; '10 ...:‘Gizfi. ..5_L1.. {1 11 'L . 6-1115918 l‘i (JULAAUL. L‘iOLi'S

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111:.“ 000111“ all“; (11111116151110 ;-.L:-.1--I‘LI.‘L:-.. ALA/c -150 Use-ll

ooservec. 1: tie 01: see JCCV 111 ;'r Loout tho weegs

‘ ,." ... -___‘ L‘ _ . ..-_ ,r : . 4. L_ f.’ , .1 ‘ , W ‘ ., 4._ .7 -
DULoi‘e .1. _-L UL'.u-;11.Li.;- t. _LOlL tLifiJ’ .LlL‘. Lw i1.US ». .L..._L L» ‘AL A .JLI L. ..Lll

‘ ’"U ' "~ ‘ ‘ " ‘ ‘ .‘1 . {‘4‘ "v '\ ' ‘ - V‘. F? C 1" '. "‘ . " . ~ "1 “ I'. r . ‘ ‘ ' f " ~ — '
K)... h.**.l..L‘I-‘LL/Al, (LI... .. 1.. ’ .AJLQUKA L91 L--.-\L l-1_L—L'~~[1lbkto .1.~.lt....'_"q . .LJLJ. (...LSO
"' - g ‘ O ‘ '
w; \ . -‘ , - - ‘~ I .- a s , ‘, -- ~I - -l' -' '~- fi ~, \ s. "v . Q - ‘ ' r I... ' -w . ‘
L-(J E-J‘ .Lélbnu‘L 0.. 13.....‘11 -111: 0.. 3.10011: L11111L11‘911Q. uUCulLsicL

" - 7"-.- .~.' ~- ~ 4 . °~- ‘: 1. . ' g
L136: 113171-11‘; e-LL;.,~_..l _.p‘lhlu CHCCT'T. 11.- Cali: cL.:—.es 11. -. 410-1

‘W - ’ 1" r “ ' \‘ ’\ . ‘ " '- ' I — ‘ .‘ - "
c-1res -Lgte ULHA-\:lCH ;01 c.10ut t 1) leeLs .3-“ s ALI COL-

q r v: -.\ _f‘. ‘ : - 4- .-‘ ‘--:- a v -. \‘--; -‘ - .
12 "p.61: 1011 0.1. t 1" 11-1.8: -1;-3c. 1.11 -.th...Li.c. t11,0_'_ 1.-G
—' -‘ A ' 1 h - ‘ — . - ~ ’- "1 . .—- -*"‘ -' 4- x - ' -. .1 1.
1.1-tCCtlLL.LL OI. 06001 (5014.1. {vi-11: Lip-t 11,-...1 LO l‘CVCui (1000 ..L ..LL»

‘

. 0 'Q V. ~ ‘- . ‘-" y". -, I. ‘ " ..‘ _‘ ' R_- .0 _ " r, f _ V
x111e ::cri,JJ1 s tLLLen.tuLye 01'.1es¢ (1e ev1. 1L 191e Lghzous
twaiorshe Lug'ssiwx ls:{t21511ters oi umu1 uhu V1.%fi ersu.

I . ‘ - " -‘r- ‘ . ' '. er, -' Fu.“ 1' ‘ . . i‘ '
1-e tin: o: ci-Lc ea tires 11‘ sac” vn1t1s1 or

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.VCL . .2 .. O S \l‘ (3; u 1 I‘d ‘.-...'::‘

.1 -., “'~" ..x . r~v I“ x T - N: --\ ‘ ‘1' " , — -" 3 ,, ~. .' 't “‘
1210,-; 4' ;iO l ulLC.-!1t,-L.d. 1::101.S 11L...b sexli 101.3..d 111 (,leciLS

< F 4- - - ~ - -: I ~ ‘ - - 'n . P
s ot:; c: +.m2 lose tr* 1ess u 1cchL 01111-1eeu (“LioLs.
-n ‘ I 1' Q - ‘ .. ‘ "T: . — ' ‘. . " ‘_ '. *‘ ‘ ' ‘ \ Q ‘- :1 \ 1"
.JWais 03.11L3 VLsu311L4‘.LL111tngticz.131L1 untii; 1*e;.LLLteu

LMJ53-4;131111 06:113 freuws UL. cu.i oz. occuzr:en«:e SJ. t‘x; L;1WJS
" q H . ‘ r“ -: .. + .w 1‘ + 1~ _ +

:L t 'uleL. .L I‘LJL: J 5/: (at-fr; l A L --+\. L16 h... _ L b \- bk) - ‘- § {1 0

N - -~ ”L -: a "f i w. ~. \' 1n, . 4‘ I V- ‘ ‘ :

-e onc-'c 1.,ecL11L on. .Li‘c 1e. ‘oL1;1.e uecLeJLLl

.1 I‘ .. ‘ - v. / :v ‘ I — -"' V - -. v ‘ -‘ ‘ .vu’f / . ‘- u-1 ‘ LAC. -. ’,
C‘J.1l‘.z.-'0:: maze O'JLcdieu 1-01-1 ill/{31‘s. 8.10.411 {.2101 1.1:-10118.

‘1‘! O-

|‘* - .‘. -\ ‘ ‘~ V‘ " '. '+' .'t ‘x l' . v-‘ ** '9‘ r- r ~ 3 —. . . ' . ‘f' ‘.‘ , . 4‘ . ‘ ... r‘ ‘
‘u.;\—II-(L lbs), jfii$LlL-ClbOld .L\;‘L b l.’\'. . 1kg“ cUuOUlK- 1319 (n u Q‘Als V LC-L ...K'la.
" ° ‘4. - _' , . a i- ' ' .. -. , ' c ‘ 4. -
.- i13LVJt-L‘s .Lfix i.'\{_z . ‘ ’ J._O 1.51” 1J— C: JL-LwAl OV‘J—O—‘i O . l-)
l ' l ’ n‘?‘ ' 7. _"V V ‘ 1- q k "‘ ‘, \ " ‘ - ' - I N -.
-1’J v-I U tt'U-K: dileK-w-L-L‘ 0‘ r, \J' I‘ Cu '\ dou k -;U 1 {V} t b .11 U .1." k 7" K7
’GlglfcliQ'lilstfiKf. lei ;nc;mni:c :4; Tt;fl;0cgltlwl ;.lfllfl.15»S
Lot Incuii on. L1-:iictcscux*ic e; aegxigicn tqunnc SCLmbt
‘ -- -.* '. o‘ 1 -. “a ~- j - >.. .. - ~ *- -. : - ‘ . \ , 1 -I ‘\
to we mOfid 0: less icttd ULLULCSwLLOL lu 1J8 muscle
(“-2 “-\ - ~ q 4“ fl Q r ‘. w- ' r-._ ‘ I ,— r“ . \ . ~v '
linses wLu p13 musculctu e cGCmCQ lOUce in LLL‘ C0868.
~ 11 u v. 3" - J" .m V. r A --v ..\ '- r- 1)" ~ ‘ H1" ' *- ~"+ ~ ~-
.L.Il.L--\.L_. Just/1-; 0.1. IA‘jé.‘ 6:; ..JL‘-C OL'CZC‘..- ICU ‘i~Ll be 0.; “61‘.
‘ ‘ ‘, ”CD _rI ‘ .L o f _ 3“ ‘ ~ I ‘ rt I - . _t it _ ‘ 'N
cuuiiiereniiuted QGSBLOH dul cell lLfilit‘ut¢Oh h¢c luch
'3“ ‘t ‘. ”-11- :-~'2 v" '7? a 1,1 ~17. - t " -.\- ' an “1‘ l '1"! ? ."‘ e " “'4.‘om
.LLL 11‘; ...LnLl" \— LL-C—-.L (JAAOJ— (A Calla JlbrlEJALQL L'A- lit.’ V (:1: COLzue L .L.'.AVIL;

uss notiCable.

LU

even ii LO fliCthle of idese LCBVB;
.Jiether tlnxre is cagf ccinx3_icn let xxx- :he c AJQfGS
noted 11 the he rt cnd nervous tissues end ccccicicsis
infection is difficult to Set.

111 - - hw‘r
_J \L-.Z Lu” ,s .
..._—_...L

111 (0111-: c-1"c-:s 1.120.;-ll;,' me its ceet

03

i

(i)

Ucccidic
in the cecc c1161 luxer 3:01.“;"01; of sucll intestii‘es. "_..“:1e

fisflf1clx)'iccfil cnsjifes sire; 'Vcifiic;

4‘."O‘:
...-h N;

(n

P-- , -' V ‘ —' ' f1“. - " W‘ ‘-" ‘.;:,.a. :
Llewelu’HIpfie cum i0...‘:..v.’.lch 0.. more Of leer. UlObeJLMLlibu

cheesy mgtEDicl 1L fine cecw. Licrcscoyiceilf one sees:

',-J
r):

asst:"“*ticrx c; tacit u; 'tux cj'ifie Vtilli. Lug; 'lLJAl itfiAiles
.s;d sslctifdig;" ()f tile :guc\)as id€hfl3P;118. itxe :sechll. cclztcigts
consist of tissue debris Lucretic heteri 1, blood cells
cud coccidic.

..‘eLLS 01' LNG 014, 11811.17“ 3:11.68

--..

H
H
g -
C
H
c.
L.
0
<1
(I)
k-
H
...)
('1'

tact tne ceCe ere very seldom visibly e:;ecteu. yfidufihgi

‘ .

‘ I .- — .6. -4‘ 4 _ . ‘ -"
common ens LAG otue’ sxgs-ci .zu.:;<ill

k- -
v.1
P

l

(D
O
r 1*
Ho
CI
H
'_«
H-
(D
O
(T)
(‘4‘

' - ‘ -- . - ' . 4-: r: 3“ ‘w ‘sd- ‘,7
iLtestites LQ' we i XOLVGu ct .imcs. ile ‘ioss uu.LlL‘

-U- V-

‘ _ . J-’ ' I I \‘ o ‘ _ n +‘ _ - ~ ~ 0 . J“
C .e—ll f"$ (’32:): L -104-b‘]-lli ' C... L'LC .LI.t{;:.t 13-9.]. CL‘;-c.' 1.1. ..i-
4: 11" {2+ \\ 7 C ." ':7 . "‘+ _‘,1 W 1H3’27 . ‘| r j . ‘V‘fi
\~ ma. 0 y H“ (‘4 2 “1A 5‘ _-.. uL—LL-L-LJ-‘ b th-h L; ..L 1% ~-L‘A 0* 1-; ‘sCL \Lb

(I)
C)
'6.
r +-
HI
5
(I)
4
PI
{,0
H'
C- .
k’
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d
523

- -; a. .. -- - - ~ .~ .- '.- —.-'. ,-., '+'
uplOffdg.LS ulft’ mucous ejiclte, thurS ch ClygcJLJlLlC

MeLn“lLes. LiC30$CO-lCL11: we iiLC; some cccciciu snem
to an: little diligxa lLfGCtlJ{f(fiilr sigsfh3 cells here ezxi

I-‘. .~ ‘. - _.-! J. A- r‘ ~ - . v :1 Q ~-' '4‘. V“ . .
t.e:e. cisers i lee; GuiELSlXQ cycle 0; eniugelium

Ccus1ng d¢c¢uamctiOL, sc_c iLiect fchUller switmeiium

. V v ‘ _ v . g u‘ q ‘ . J‘- I—, . a, - ‘ - ‘ ' ‘ ' . ' -. . . -. + ': , - /' 9“
as Hell cs VllthS GTlu sling ~luSLu1 Les neuwgioL Cl

‘3'
wt

x

II x v
u

‘ |. \ ' ’I ' ‘-- . " ' "I V'" . , ‘ -"'= "- '1‘ H I! ‘ ~’ 1‘ '. “2‘ q :‘ "
cots th L-cl“ e Acne .zcsc h.ici Genes sure,i.ieliel

.~‘ 7 -., -'~ A . A- ‘ " . 1‘"- ‘ '- ‘ifil‘. 9' r.\ \. “'4 . *
l-~.CC".lOl; (WILL; 9.3041108 3103.1 "1115. 0.3. 1.. LUCL‘LS L.(:L.U...‘(.~1‘e. it

 

 

'\ - d ' ‘ h} ‘ + b“ h. ‘2 J. y‘ : ..- V'. . ' ' ’. v ' " , V ‘1 l H.‘ ‘ : "‘
kw» (aw-a- b " ti - A -- 81- lg t “at T. 11,38 6.136 SL3 Bl a..- cf‘GUlec:
P ’ . “ ‘ . .-. ° + ‘ “I -I - DL\")VVy‘ I ‘7 ‘.
OJ- CIJCQj-C/ lv , \n !4- “17-111 ’.11 - \- Lil-1.1.1....“ gt;.(t 1-.ILC . L \1\.—-.. I \ __.L -Ll-

..' ~— "\ - ~ ' ‘ " — —’ ' ' 4- ' -- n «v u 3.
.1419 ‘7 llA-fi. {J {I ‘dl-‘L v‘itl b e as... L.» :— ML! *t-1 ‘ .‘C‘J‘ 1A ‘Jb .

. ‘ :- In. . , ... ”_.. .3 +‘_._ " 3 _. , .L“ '1 ‘ + f
nic1.cyells CKMNiceu ii%~:;eLtJu Lh --A; live-'\xi illex3.ec

- -- . . 1 q .0 .c - ‘ ‘ 4-: u "r ..._ .
C|ll(3‘;LllA:3 I-“‘I:~Li (_.-1 QC 8 L“‘011$‘u .1. L -~OU 0-i- ll‘ 60 .LCll _U‘QQCA
in tie strcmw “cosue. “mLI Qucn execs “C“s is 1c SLUJ—

. . - ‘ O ‘- .-‘ ~. . J‘ g v - - - ‘. . ‘ —— ,-‘ ~..‘ _
1Q+ it Cpn Mei LU bLuLbu .lid uh‘ ccmsee

HI
.._.
p
b-
V
C
O
(’4
O
0
Ho
$3
Po
9

, 3-. I 1‘ '~ . .-,' a "-V - ‘- "V . - ‘~"1 a ‘\‘ ‘,.‘ _.’\'. + 2-: ~. '«
c- ‘svu1eh~e .ne* ice; cl Ws icyxbcbh» leuiula 0* a

n ' r - . ' I g .0 -.‘_ _: ‘ .0 ' “C- + .' .
some or less receit coccicicsis inlec.i0n.
. - v ~. 1 " ,‘.' . 7 N‘ . ‘ .,-- O .1 A.._ _ :‘Q“\‘:V\fi- ‘_ .‘v 1: I.
k ‘LS Oiij._“v bu L" .L.’ ZLC—l—I CUJClkilLd. l 1 -..-O k- .'.LL"A.L\. Ltd—L-LCW-L

‘ ccaftei;.ec ifltzilh enilgifl"ec <3=it Milli].

H-

(I)

F)

i

r l
u
p“
r+
1
fi

-e: neczhese LLc veiii; is scene More ircut

z i 'or‘. :-:"" L“ i'1';”‘ “ ‘ ‘ ’f - ’- 3. -“" W. ‘

connectiol Hi.a hivbbLml c-cl cccul cocciciosis.
J‘CClulg HOIWQOlO*lCall: iLuistiLguiSJLHLe :204

yr) 0‘” ‘11053e :lOYU;Q 11; cigic;;crns 1;eiw3 ;Lcru;c lll 31.7ecuis

;_
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('H
‘4
‘
,
} I
(
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y
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(L
(I;
1
fl
f
( ‘-
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._A
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H
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(II)
NJ
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_‘

 

Descrigtion of Ilete I.

 

fiit. I. Very extensive ”subepitheliel” infection

with Linerie tenelle of villi in the Sflull

 

intestines 0i an edult bird. Bro hozoites,
schizonts, gsmetocytes end oocysts were

found in these areas.

Jig. II. Lpitheliel infection Jith ;imerie ecervuline

 

in duooenum of adult bird. Iver: epithelial
cell from (c) to (b) seems to be infected.
fote thnt villi on the left are denuded of

epithelium end thot potchy desduumetion hes

befun to take filnce in the infected villus.

Big. III Ltd IV. beep seated foci of cocoioiel
infection. She bird from which these sections
were obtained showed no coccidie in intestinal
contents. Tue intestines were shrunken, empty.
and slowed necrosoouic evioence oi slouyninf
of mucous membrane. Tote injury to glends
and musculsris nucosee end the extensive cell
infiltration of the interflondulur tissue nno
musculoris mucosee as well es the adjacent

muscul r cost.

Pilate. Z

 

7.05.1

 

I it‘ll-,l‘blfil ‘4‘.- I.

 

 

Description of Plate II.

 

.. ;-. rhea epitheliel infection with oes~.;11e.t'xet101'1

of epithelium over tfie tips of the villi.

;ote tie lerje oocyst IOCeted *ust below the

o.’

epithelium. (aJ

noderete infection with niueriu tenellu

 

show n: coccidin below nuclei of epitheliel
cells (a) and just below epithelium (b).
tote rejgeo sppeurunoe of epituelium over
tip of villus one senorution of epithelium

from ubeeitheliel tissuts and celluler

(1]

infiltration in core of villus.

vr r-r

one vii . Schizonts in inter'lunouler

H

tissue. lote extensive cellular iniiltretion
and disappearance of glend tubules, elso
lur§e Lumber o; schizonts in Iig. VIII.

niaeris tenelle

 

—

P/deajL

 

1+-

nescrijtion of Ilete

 

(o) Schizonts

cecum o;

(b) Infection of glnrd

{lend . I 0t e s lougxinrgfi
o: mucous membrlnc
cons i s t i115:

materiel end oocysts.

.‘

PJ-
(1)

c itielium. niuerie

coefs s in lunen of

H

of vil ous nortion

cecel contents (b)

of tissue debris, necrotic

ninerie teLelle.

 

(a) Lessive infection of gland epithelium

and (b) cellulnr infiltration in cecmn of

a chick.

4 I" \
I "
«1

.L-

\‘,
\

K

a 1-
d A€-u

 

Lesoriction of Elete Iv;

 

fl

E13. XII. nree of undiiferentieted mesenchymel cell
infiltration as commonly seen in livers of

chickens.

Jic. IIII. Section from the liver of e chick sooming

blecxheed lesions, (a) causative orienism.

P/ataj—Z—

I

. \
,Q

.

l

5’72‘3 fie?»

\

 

It is wit

to _.JOLJtO...‘ 4.4. .L‘
.‘t"

tie nopurtncnt

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out»; V—c-J-hk. .wLACL

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.‘J. Tibuit: 1.-.; U _ 1-..: _L U¢;j-‘.. bx; s .-L‘ e- ._| :CCLu .. .LQI-

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o -;£~.L,L...e-il 0.. tab ybgimrl. union's. U... .:.L-l..;£.l

V 9

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Eckardt, Uber Coccidiosis intestinalis beim Geflugel.
jerl. Tiererztl Jochenschr. Jehrg 177, 1903.

dadley, P. 3., Coccidia in Subepithelial Infections
of the Intestines of Birds. Jour. of Buct., 2,.Ko. l,

1917. ”

Jerd, n. R., and Gallagher, 3. n., Li cases of

(Lt

Domest1Cnteu Birds. The Leonillen 00., L. Y. 1920.
dutyre, E. and harsh, J., Special Pathology old
Therapeutics of Diseases of honestiCeted aniihls
(American Ldition). Alexander Eger, Chicego, 1226.
Reinhardt, R., Lehrbuch der Gefluggellzrenlzheiten,

2 nufl. Verl. h. u. H. scheper, Hennover, 1:25.
Joest, £., Spezielle pathologische unetonie der
nonstiere, l, 2 nufl. s. 766, Verl. Riohnrd Schoetz,
Berlin 1926.

Otte, 1., Krenhheiten des Geflugels, Richard ochoetz,
Berlin 1928.

Krijgsmen, B. J., in Hendbuch der Geflngelkrenkheiten
und der Geflugelzucht, hereusgegeben von T. V.
Heelsbergen, Verl. Eerdinend Inks, Stuttgart, 1929.
Tyzzer, h. 3., Goocidiosis in Gellineceous Birds.

hm. Journal of AVg. 701. A. 2, Sept. 1929.

Kaupp, B. 3., Poultry Diseases, Fifth pd., nlex

Lger, Chicago 19L9.

stafsetu, H. J. and Johnson, L. P., Range Paralysis
in Poultry, guarterly Bulletin, Lich. ngr. an. Sta.

V01. 9, I0. 3, Eech. 1927, pp. 105 - 108.

12.

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17.

165.

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gfitsfseth, j-i. J., Richets .—.s e. Second-er: Lanii’estation
in Coccidiosis. Journal hm. Vet. Led. nssn., Vol. 27,

(n.s.) Lo. 7, 1929, up. 1069.

-

Cole, L. S. and geolef, ?. 3., nlschheed in rurheys:
A Study in nvisn Coccidiosis. Ruode Island ngr.

LXT‘. (its. 3111. 14-1, 1910.

Leuuo, 3. 3., Eoultry Diseases, rifth hd., nlex Igor,
thcegro 13:29.

Snith, 1‘. and 3;.zillie, 1... ‘.."., n lots on coccidis in
diurrows end Eheir nssuned Relation to Bh;chheed in

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Bepjttenheiuer, ... 1:., et al., L‘O‘:-:’l Eur-zllysis, story-s
nqr. on. Ste. sul. 1&3, 1926, ops. 209 - £12.

Idem. bowl rorulysis (Ierrolynxhonetosis gallinerun)
Jour. ngner. Led. ALIn, 1939, n. so.

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Johnson, 7!. ’13, Coccidiosis of the Chicken, Greg.

[3

“fire bKn. Sta. sul. 258, Dec. lo“s.
fiedCh’ J' 3' and LOViS. b. L.. The Influence of
fieedihs lectose or hr: Shim nil; on nrtificiul

'— t O .

Infection of Chicks with niieria evium, nilgerdie,

 

Doyle, L. 2., Porelysis 1‘1 Ohiclzens. Purdue

University Extension Leaflet, I0. 146, Lee. 1927, p,5,

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