CAJ | 학술논문

后备奶牛的培育是养牛生产中的一个重要环节，后备奶牛阶段正值生长发育旺期，发育程度的好坏直接影响成年奶牛的体形、体况、健康、繁殖以及产奶性能。因此，通过对后备奶牛生长发育状况的分析，可了解后备奶牛各阶段的营养需要水平及生长发育水平，为科学的饲养管理提供理论依据。
후비내우적배육시양우생산중적일개중요배절，후비내우계단정치생장발육왕기，발육정도적호배직접영향성년내우적체형、체황、건강、번식이급산내성능。인차，통과대후비내우생장발육상황적분석，가료해후비내우각계단적영양수요수평급생장발육수평，위과학적사양관리제공이론의거。
Replacement heifers cultivation was an important part of dairy cattle production. During growth stages,the developmental degree of replacement heifer affected directly adult cow of the body type,body condition,health,reproduction and milk performance. By analyzing the growth character of replacement heifers,the nutrient requirements in different growing stages could been known, which provided theoretical basis on scientific breeding and management .