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Effect of knowledge of due date on subsequent lactation yield [a function of type of mating: AI or non-AI] : and economic comparisons of various ratios of AI to non-AI matings within herd

Effect of knowledge of due date on subsequent lactation yield [a function of type of mating: AI or non-AI] : and economic comparisons of various ratios of AI to non-AI matings within herd

Troyer, Brian Wayne

Text (1990)

Part of Electronic Theses & Dissertations

Reproduction, milk production, and culling in dairy cows inseminated at first estrus after 40 or 60 days postpartum

Reproduction, milk production, and culling in dairy cows inseminated at first estrus after 40 or 60 days postpartum

Harrison, David Seay

Text (1975)

Part of Electronic Theses & Dissertations