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Effects of lysine, methionine, threonine and tryptophan on growth performance and serum antibody titers to Gumboro disease of color feather chicken

The experiment was conducted to determine the effects of four amino acids (lysine, methionine, threonine and tryptophan) supplementation on growth performances and serum antibody titers to Gumboro disease (IBD, infectious bursal disease) in broiler chickens. Chicks were randomly assigned to 5 dietary groups (5 chicks/group as 12 replicates of 5 chicks) in a complete randomised experimental design.

Từ khóa: Broiler chickens, Tryptophan and antibody titres against, Gumboro disease, Feed con-version, IBD anti-body ELISA, Amino acids

6 p tailieu_dnulib 09/08/2019 169 1

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