경기지역 자유우 도태율에 관한 조사연구

Survey on Culling Cases of Dairy Cattle in Gyeonggi District

  • 발행 : 1979.02.28

초록

The detailed culling cases of dairy cattles by diseases are surveyed in the northern parts of Gyounggi-do for a year of 1976 and the results are as follows: 1. The total rates of culling cases are $3.47\~5.64\%$. 2. The culling rates by disease

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