EFFECTS OF CALF BREED ON MILK-PRODUCTION AND OTHER ECONOMIC TRAITS OF HOLSTEIN DAMS
EFFECTS OF CALF BREED ON MILK-PRODUCTION AND OTHER ECONOMIC TRAITS OF HOLSTEIN DAMS
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DOI：
10.1016/0093-691x(94)90493-3
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发表时间：
1994-05-01
期刊：
影响因子：
2.8
通讯作者：
IKEUCHI, Y
中科院分区：
文献类型：
--
作者：
ISOGAI, T;SHIRAI, T;IKEUCHI, Y
使用人工授精或胚胎移植技术从奶牛中生产纯种或杂交肉用犊牛，特别是荷斯坦牛、日本黑牛（HxJB）和日本黑牛（JB），已在日本得到广泛应用。然而，奶农对犊牛品种对母猪经济特性的影响感到不安。在这项研究中，我们对 798 头产下 Holstein、HxJB、JB 或其他品种小牛的荷斯坦小母牛进行了调查。最小二乘方差分析的结果表明，犊牛品种对妊娠长度的影响显着（P
Production of purebred or crossbred feeder calves for beef, especially HolsteinxJapanese-Black (HxJB) and Japanese-Black (JB), from dairy cattle using artificial insemination or embryo transfer have been used widely in Japan. However, dairy farmers feel uneasy about the effects of calf breed on the economic traits of dams. In this study, those effects were investigated in 798 Holstein heifers bearing Holstein, HxJB, JB or other breed calves. The results of the least-squares ANOVA indicated the effects of calf breed to be significant for gestation length (P