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Effect of the Line and Age of Female Broiler Breeder on Hatchability Performance of Eggs
Rebolledo, O. F. P; López, M. F. A; Rivera, J. A. H; Canul, A. C; Isaias, G. T; Casillas, Arturo César García.
Afiliação
  • Rebolledo, O. F. P; University of Colima. Faculty of Veterinary Medicine and Zootechnics. Colima. MX
  • López, M. F. A; University of Colima. Faculty of Veterinary Medicine and Zootechnics. Colima. MX
  • Rivera, J. A. H; University of Colima. Faculty of Veterinary Medicine and Zootechnics. Colima. MX
  • Canul, A. C; Juárez Autonomous University of Tabasco. Tabasco. MX
  • Isaias, G. T; University of Arkansas. Poultry Science Department. Fayetteville. US
  • Casillas, Arturo César García; University of Colima. Faculty of Veterinary Medicine and Zootechnics. Colima. MX
Rev. bras. ciênc. avic ; 25(1): eRBCA-2022-1639, 2023. tab
Article em En | VETINDEX | ID: biblio-1416181
Biblioteca responsável: BR68.1
ABSTRACT
An experiment was conducted to assess how hatchability performance of eggs is affected by line and age of female broiler breeders. Response variables analyzed were hatchability, infertility, pipping (i.e., pipped shell but not emerged), embryonic mortality (1st, 2nd, and 3rd wk), and embryonic malposition. The trials involved a total of 2,880 fertile eggs from two broiler breeder lines (Ross 308 and Cobb 500) at two different ages (30 and 50 wk). A 2 x 2 factorial design was used, where the broiler breeder line and broiler breeder age were the main effects. The hatchability in the Ross 308 line was higher than the Cobb 500 line, but its infertility was higher than the Ross 308 line. Hatchability in interaction (50 wk age of the hen in the Cobb 500 line) was less, and their infertility was higher. Embryonic mortality, pipping, and embryonic malposition did not present differences for the interaction between factors. The results suggest that hatchability performance of eggs can be improved, if egg management and incubation procedures are adjusted to account for the interaction between broiler breeder line and broiler breeder age.(AU)
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Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: Rev. bras. ciênc. avic Ano de publicação: 2023 Tipo de documento: Article

Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: Rev. bras. ciênc. avic Ano de publicação: 2023 Tipo de documento: Article