弗莱维赫牛改良荷斯坦牛的杂交F1代生长性能研究

Research on Growth Performance of Hybrid F1 of Holstein Modified by Fleckvieh

[目的]对比研究弗莱维赫牛改良荷斯坦牛的杂交代在生长过程中的发育性状优势,通过选种培育适合奶牛养殖场的乳肉兼用新品种牛。[方法]测定杂交F1代和荷斯坦青年牛出生到25月龄的体重、体尺,进行对比研究。[结果]杂交F1代牛在不同月龄的生长发育比荷斯坦牛均快,最显著的是20月龄,虽然出生体重小2.8 kg,但20月龄体重多76 kg,日增重多0.16 kg,体斜长、胸围、胸深、尻宽分别多13 cm、8 cm、2cm、2 cm,尻长无差异。[结论]杂交F1代的日增重、体斜长、胸围、胸深、尻宽生长发育都优于荷斯坦牛,具备弗莱维赫牛生长快、增重快的品种优势。

[Objective]To compare the developmental character advantages of the hybrid generation of Holstein modified Fleckvieh in the growth process,and to breed a new breed of cattle suitable for dairy farms for both milk and meat.[Method]The body weight and body size of hybrid F1 and Holstein young cattle from birth to 25 months of age were measured and compared.[Result]The growth and development of hybrid F1 cattle were faster than that of Holstein at different months of age,and the most significant was 20 months of age.Although the birth weight was 2.8 kg smaller,the body weight at 20 months of age was 76 kg more,the daily gain was 0.16 kg more,and the body oblique length,chest circumference,chest depth and caudal width were 13 cm,8 cm,2 cm and 2 cm longer,respectively.There was no difference in caudal length.[Conclusion]The growth and development of hybrid F1 cattle were better than Holstein in daily gain,body skew length,chest circumference,chest depth and caudal width,and had the advantages of fast growth and fast weight gain of Fleckvieh.