CAJ | 학술논문

[目的]探索BMY母牛的生长发育规律。[方法]用Excel2003进行体重生长曲线模拟分析,最适合的模拟方程为y=72.742x0.4503,决定系数为0.9788,对BMY母牛的绝对生长和相对生长速度进行研究。[结果]研究发现,12月龄之前的体重体尺生长速度均增快,之后生长速度均减慢,BMY母牛早期生长强度明显高于后期,随着月龄的增加,生长强度逐渐降低;生长强度最高的为体重,其次是胸围、体斜长、体高。[结论]BMY母牛的饲养重在前期的饲养,断奶之后到12月龄饲料供应应充足,保证足够的体重进行初配。
[목적]탐색BMY모우적생장발육규률。[방법]용Excel2003진행체중생장곡선모의분석,최괄합적모의방정위y=72.742x0.4503,결정계수위0.9788,대BMY모우적절대생장화상대생장속도진행연구。[결과]연구발현,12월령지전적체중체척생장속도균증쾌,지후생장속도균감만,BMY모우조기생장강도명현고우후기,수착월령적증가,생장강도축점강저;생장강도최고적위체중,기차시흉위、체사장、체고。[결론]BMY모우적사양중재전기적사양,단내지후도12월령사료공응응충족,보증족구적체중진행초배。
[Objective] This study was to Yunnan province. [Method] The stimulation exp of b lore the growth and development rule of BMY cows in ody weight growth curve was analyzed by Excel 2003, and the absolute and relative growth speed of body weight and measurement were analyzed. [Result]The most fitting simulation equation was y= 72. 742x0.4503 and R2 was 0. 9788. Body measurements and weighl in creased faster before 12 months, and growth speed were slow down after 12 months. The growth strength of little BMY cows was obviously higher. With the increase of age, growth strength gradually reduced. The growth rate and growth strength of weight was higher than that of body measurements. The highest growth strength for weight, followed by the [Conclusion]The early feeding of BMY cows provided to meet the need of BMY cows from enough body weight for the first mating. chest measurement, body inclined length,and body height. should be taken into account. Enough nutrition should be weaning to 12 months growth and development so as to get