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Research Article



Impacts of caponization on growth performance, certain phenotypic trait, and carcass composition in Sonali chicken: A randomized prospective study

Abu Sayeed Sumon,Mohammad Raguib Munif,Rukhsana Amin Runa,Md. Rafiqul Alam.




Abstract

Aim: Sonali chicken serves as a dependable source of poultry meat, holding a prominent position alongside indigenous chicken. In this context, the caponized Sonali cockerels could be deemed pragmatic for meat production. This study investigated the effects of caponization on feed intake, growth performance, carcass yield, meat composition, and a certain phenotypic trait (comb height) in Sonali chicken cockerels.
Methods: Thirty Sonali cockerels, appearing in good health, were chosen through block randomization and divided equally into three groups: group I (control), group II (sham), and group III (capon). All cockerels received formulated poultry feed and were reared with intensive care. The group III birds underwent caponization at 8 weeks of age, whereas sham operations were performed in group II birds at the same age, and group I birds were intact. Daily feed intake, weight gain, live weight, feed conversion ratio (FCR), and comb height were recorded in all cockerels from 8 to 13 weeks. After slaughtering at 13 weeks, the weights of dressed carcasses, leg (thigh+drumstick), breast, liver, heart, and spleen were documented, and proximate analysis of breast meats was performed.
Results: The caponized birds (capons) exhibited significantly (P

Key words: Sonali capon, feed conversion ratio, comb height, organ weights, meat composition






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