Effect of vitamin A restriction on performance and meat quality in finishing Holstein bulls and steers
Effect of vitamin A restriction on performance and meat quality in finishing Holstein bulls and steers
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DOI：
10.1016/j.meatsci.2011.05.003
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发表时间：
2011-12-01
期刊：
影响因子：
7.1
通讯作者：
Devant, M.
中科院分区：
文献类型：
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作者：
Marti, S.;Realini, C. E.;Devant, M.
将 24 头荷斯坦公牛和 23 头荷斯坦公牛（初始体重 = 252 +/- 3.5 kg，年龄 = 187 +/- 7.5 天）随机分配至 4 个治疗组，按 2 x 2 析因设计排列，包括性别（公牛与公牛）和维生素 A 补充（限制在 1.3 x1000 IU/kg、VAR 或补充 4.6x） 1000 IU/kg, CTR) 评估维生素 A 限制对荷斯坦阉牛和公牛生产性能、胴体和肉质性状的影响。肌内脂肪较少（P
Twenty-four Holstein steers and 23 Holstein bulls (initial body weight = 252 +/- 3.5 kg and age = 187 +/- 7.5 d) were randomly allocated to 4 treatments arranged in a 2 x 2 factorial design with gender (bulls vs steers) and vitamin A supplementation (either restricted at 1.3 x1000 IU/kg, VAR, or supplemented at 4.6x 1000 IU/kg, CTR) to evaluate the effect of vitamin A restriction on performance, carcass and meat quality traits of Holstein steers and bulls. Intramuscular fat was less (P