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Effects of additional dietary levels of folic acid, biotin, vitamin K, and selenium on egg production, fertility, hatchability, early and late embryonic mortality in White Pekin duck breeders

Effects of additional dietary levels of folic acid, biotin, vitamin K, and selenium on egg production, fertility, hatchability, early and late embryonic mortality in White Pekin duck breeders

DeSouza, Simon Piedade

Text (1984)

Part of Electronic Theses & Dissertations

The effects of egg washing solutions on hatchability and bacterial content of incubated duck eggs

The effects of egg washing solutions on hatchability and bacterial content of incubated duck eggs

Mounira Naguib Ismail

Text (1984)

Part of Electronic Theses & Dissertations