布尔山羊、关中奶山羊、陕南白山羊三品种杂交试验对比分析

利用陕南白山羊与关中奶山羊、布尔山羊三品种杂交试验,分别测定初生重、3月龄、6月龄、12月龄四个阶段的胸围、体长、体高和体重,将测定的各项指标分别与布陕杂一代、关陕杂一代和陕南白山羊的同阶段指标进行对比分析,结果表明,布关陕杂种羊在不同生长阶段的体重优于布陕杂一代、关陕杂一代和陕南白山羊。布关陕杂种羊的初生重比布陕杂一代、关陕杂一代、陕南白山羊分别提高18.8%、48.2%、66.2%;3月龄体重分别提高17.2%、28.1%、35.1%;6月龄体重分别提高17.7%、51.3%、65.6%;12月龄体重分别提高15.2%、52.3%、58.0%。

Analysis on Cross Experimentof Boer Goat Guanzhong Milk Goat and Shaannan White Goat

This experimentinvelvos Boer goat,Gruanzhong milk goat,Shaannan white goatforcross experincent.The birth weight,chest girth,body length,body height and weight in the3rd month,the 6th month and the 1 2 th month were measured,comparing and analying these items with these of the 1 st generation of crossbreds at the same period.The result shows that the body weight of hybridists in different periods are superior to the 1 st generation of cressbred Bushaan,Guanshaan and Shaannan white goat.The birthweight of hybridists improved 1 8.8% ,48.2 % and 66.2 % respectively;The3- month weight improved 1 7.2 % ,2 8.1 % and 35 .1 % respectively;The six- month weight improved 1 7.7^,5 1 . 3% and65 .6% respectively.The twelve- month weightimproved1 5 .2 % ,5 2 .3% and5 8.0 % respectively.