Proceedings of the KSAR Conference (한국동물번식학회:학술대회논문집)

The Korean Society of Animal Reproduction (한국동물번식학회)
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Effects of Milk Urea Nitrogen on Reproductive Performance in Dairy Cow

  • Lee, J. H. (Hankyong National University) ;
  • J. T. Yoon (Hankyong National Universit) ;
  • Park, E. J. (Hankyong Genometek. Co) ;
  • Lee, H. J. (Hankyong Genometek. Co) ;
  • Kim, C. K. (Chung-ang Universit) ;
  • Y. C. Chung (Chung-ang University)
  • Published : 2001.10.01
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Abstract

This study was designed to assess effect of MUN concentration on reproduction performance and monitoring of feeding and fertility management in commercial dairy herd. The mean of milk yield is 26.48±8.38㎏ per day, milk fat 3.80±0.58%, protein 3.13±0.3% MUN 16.68±5.87㎎/㎖ and somatic cell 392,000±77,060㎖. Milk yield has been shown that negative correlation with fat, protein and somatic cell(P〈0.01). The finding of this study was significant relationship between non-pregnant days and MUN concentration. (omitted)

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