道赛特、萨福克与阿勒泰羊杂交公羔育肥效果对比试验

相同试验条件下，选用SAF1、DAF1和SAF2、DAF2 2.5月龄早期断奶羔羊各15只进行60 d育肥试验。结果表明：SAF1、DAF1日增重为269和262 g，分别比ALT提高24.54%、21.30%，差异极显著（P<0.01）；SAF2、DAF2日增重为258和254 g，分别比ALT提高19.44%、17.59%，差异显著（P<0.05），SAF1、DAF1、SAF2、DAF2日增重相互间差异不显著（P>0.05）；育肥期内，每只杂交羊纯增直接经济收入分别比ALT多30.42、32.95、28.12、30.21元。

The Fattening Effect Test of Hybrid Male Lamb of Dorsett、Suffolk and Altai Sheep

Selected 15 SAF1、DAF1 and SAF2、DAF2 which were ablactaed at 2.5 month old under the same condition to fat for sixty days, respectively. The result indicated that the average daily gain of SAF1、DAF1 was 269 grams and 262 grams, relatively increasing by 24.54% and 21.30% compared with ALT，respectively and the difference is remarkable（P<0.01）；The average daily gain of SAF2、DAF2 was 258grams and 254 grams, relatively increasing by 19.44% and 17.59% compared with ALT，respectively and the difference is better（P<0.05）；The differences of the average daily gain among SAF1、TAF1、SAF2、TAF2 are not better .During fattening period, the pure relatively increasing economic income of each hybrid lamb are 30.42 yuan、32.95 yuan、28.12 yuan、30.21 yuan. 