德国美利奴与新疆细毛羊F_1羔羊育肥对比试验

The Lamb Fattening Contrast Test of Germany Lamb and the United States Merino lamb

选用6月龄左右的新疆细毛羊羔羊和当新疆细毛羊与德国美利奴杂交一代羔羊各50只,分成两组,进行育肥试验,研究不同育肥方式对两组羔羊生长性能的影响。结果表明,在放牧条件下,对断奶羔羊适当补饲适量精料能极显著地提高日增重(P<0.01)。试验结束后,选取两组试验羔羊各8只进行屠宰试验,比较不同育肥方式对羊胴体品质的影响。结果表明,补饲能极显著地提高胴体重(P<0.01),同时屠宰率、净肉率等指标也得到不同程度的改善。并且杂交一代羊在育肥和屠宰性能等方面都优于新疆细毛羊。

Choose Xinjiang fine-wool sheep and F1 lamb of the Xinjiang fine-wool sheep and Germany- Merino sheep of 50 each around6-month-old, divided into two groups, test for fattening.study the different ways of fattening affect lamb growth performanceThe results show that in grazing conditions, the proper feeding of weaned lambs can significantly increase daily weight （ADG）（P 〈0.01）.After the test, select the eight lambs from each group to the slaughter tests, compare the affect of sheep carcass quality in different ways of fattening.The results showed that the supplement can significantly increase carcass weight （P 〈0.01）, while the indicators of slaughter rate, net flesh rate have been varying degrees of improvement. F1 are better than Xinjiang fine-wool sheep in the areas of fattening and slaughtering.