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Effect of broiler breeder age on the intestinal mucosa development of the embryos at 20 days of incubation

Maiorka, A; Silva, A. V. F; Santin, E; Bruno, L. D. G; Boleli, I. C; Macari, M.
Rev. bras. ciênc. avic; 18(n.esp 2): 79-82, Out-Dez. 2016. tab, ilus
Artigo em Inglês | VETINDEX | ID: biblio-1490348

Resumo

This study investigated the effect of broiler breeder age on the morphological development of the small intestine broiler embryos (villus height, crypt depth, microvillus height, and villus density) at 20 day of incubation. Eggs obtained from 30- and 60-wk-old broiler breeders were used. The results showed that embryos from older broiler breeders presented longer villi in the duodenum, jejunum, and ileum compared with younger broiler breeders. In addition, embryos from older broiler breeders presented deeper crypts in the jejunum and ileum, longer microvilli in jejunal enterocytes, and lower villus density (microvillus number/mm2) in the duodenum and ileum than younger breeders. These results suggest that breeder age influences the gut mucosa development of broiler embryos. Embryos from older broiler breeder showed greater development of the small intestine mucosa than those from younger broiler breeder.
Biblioteca responsável: BR68.1
Localização: BR68.1