Studies on the Management of YAMAGUCHI University Farm. I. The Records of Reproduction and Lactation of Raising Cow

附属農場の経営管理に関する研究 : 第1報 附属農場における乳牛の繁殖および泌乳成績について

Studies on the Management of YAMAGUCHI University Farm. I. The Records of Reproduction and Lactation of Raising Cow

Creators Yamane Hideo

Creators Koga Keiichi

Creators Oda Ryosuke

The Records of reproduction and lactation of faculty of agriculture Yamaguchi university, between 23 years from 1953 to 1975, may be as follows: 1) On the coitus: The rate of pregnancy on 1-2 time of coitus was about 65%, it's rate was no good. 2) On the numbers calving: it's records of raising cow was no good. Many cows was 1-3 on the numbers calving, their economic life was done. 3) Lactation on the one stage

[ISSN]0513-1715

[NCID]AN00244250