Improvac immunocastration affects the development of thigh muscles but not pectoral muscles in male chickens
文献类型： 外文期刊
第一作者： Zeng, Y. T.
作者： Zeng, Y. T.;Wang, C.;Zhang, Y.;Xu, L.;Zhou, G. B.;Zeng, C. J.;Zhu, Q.;Yin, H. D.;Zhang, M.;Zhou, G. B.;Zeng, C. J.;Yin, H. D.;Zhang, M.;Zuo, Z. C.;Song, T. Z.
作者机构：
关键词： immunocastration; muscle development; Improvac; broiler chicken; fiber type
期刊名称：POULTRY SCIENCE （ 影响因子：3.352； 五年影响因子：3.679 ）
ISSN：
年卷期： 2020 年 99 卷 10 期
页码：
收录情况： SCI
摘要： Improvac has been tentatively used to immune-castrate roosters. The aim of this study was to investigate whether Improvac affected skeletal muscle development in chickens. The muscle fiber type and size and the expression levels of genes related to muscle development in pectoral and thigh muscles were examined at 5, 9, and 14 wk of age in the control, early, late, and early 1 late Improvac-treated groups. Immunocastration with Improvac affected the development of thigh muscles and the expression of MYH1B, MSTN, and SM. The cross-sectional area in the early group was significantly larger than in the control group at the 14th week (P < 0.01). At the fifth week, the expression levels of MYH1B, MYOD, and MSTN in the early group were significantly higher than those in the control group (P < 0.05), and at the ninth week, the expression level of SM1 in the control group was significantly lower than that in early and late groups (P < 0.05). Immunocastration did not affect pectoral muscle development or the expression of genes related to muscle development.
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