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| Leão,R.A.C.; Castro,F.L.S.; Xavier,P.R.; Vaz,D.P.; Grázia,J.G.V.; Baião,N.C.; Avelar,G.F.; Marques Júnior,A.P.. |
| ABSTRACT In broiler breeder roosters, the weight of the testes is positively associated with daily sperm production and fertility. In birds, the testes are located in the coelomic cavity, not being accessible to reproductive evaluation as mammalian testes. The reproductive evaluation of roosters is based on phenotypic traits. Any changes on testes will be reflected on fertility levels. The aim of this paper was to evaluate the potential of association of phenotypic traits as body weight (BW), comb scores (COS), cloaca scores (CLS) and feet scores (FS) with testicular morphometric parameters in adult Cobb® Mx roosters in two ages (25 and 45 weeks of age). The low BW roosters had lower testes weight (TW), smaller seminiferous tubule diameter (STD) and lower... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Testicular regression; Rooster; Histomorphometry; Phenotypic characteristics; Histology. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352017000601529 |
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