Effect of dietary supplementation of spray-dried plasma on performance and semen quality in aging broiler breeders
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A total of 216 Cobb 500 broiler breeder hens were randomly distributed across two treatments consisting of diets supplemented with 0 or 1% spray-dried plasma (SDP), resulting in 27 replications per treatment and four birds per pen. In addition, 36 roosters, ho... ...
