CAJ | 학술논문

[目的]为探讨西门塔尔牛杂交改良蒙古牛的产肉性能及效果。[方法]对18月龄西×蒙F2代犍牛和蒙古犍牛进行屠宰对比试验。[结果]18月龄西×蒙F2代犍牛的平均活重、屠体重和净肉重分别达到511．67kg、291．21kg和233．51kg，较同月龄蒙古犍牛高出131．67kg、80．28kg和64．32kg；提高了34．65％、38．06％、和38．01％；差异均极显著（P〈0．01）；18月龄西×蒙F2代犍牛的平均屠宰率和净肉率分别提高了1．40％和1．129／6，差异显著（P〈0．05）。[结论]利用西门塔尔牛杂交改良蒙古牛效果显著，可以明显提高蒙古牛产肉性能。
[목적]위탐토서문탑이우잡교개량몽고우적산육성능급효과。[방법]대18월령서×몽F2대건우화몽고건우진행도재대비시험。[결과]18월령서×몽F2대건우적평균활중、도체중화정육중분별체도511．67kg、291．21kg화233．51kg，교동월령몽고건우고출131．67kg、80．28kg화64．32kg；제고료34．65％、38．06％、화38．01％；차이균겁현저（P〈0．01）；18월령서×몽F2대건우적평균도재솔화정육솔분별제고료1．40％화1．129／6，차이현저（P〈0．05）。[결론]이용서문탑이우잡교개량몽고우효과현저，가이명현제고몽고우산육성능。
[Objective]In this paper, the meat production performance effect of crossbreeding Simmen tal and Mongolian cattle was analyzed. [Method]Comparative slau an sire and F2 hybrids from Simmental and Mongolian cattle with weight, carcass weight and net meat weight of the F2 Mongolian cattle were 511.67 kg. 291.21 kg and 233.5 g 1 average live weight, carcass weight and net meat weight ghter test was 18 months old. carried between Mongoli- eneration with 18 months [Result]The average live age from Simmental and k9. Compared with the same age Mongolian sire, increased 131.67 kg. 80.28 kg and 64.32 kg,which were improved by 34.65%,38.06%,and 38.01% ; The average dressing percentage and net meat rate were improved 1.40~ and 1.12%, and the differences ment result of meat production performance was cattle. were significant （ P 〈0.01）. [Conclusion]The improve- obvious for crossbreeding of Simmental and Mongolian cattle.