Journal of Animal Environmental Science (한국축산시설환경학회지)

The Korean Society of Animal Environmental Science & Technology (한국축산환경학회)
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Correlation Analysis Between Milking Levels and Automatic Milking System of Dairy Cattle

젖소의 산유수준과 자동착유시스템간의 상관관계 분석

  • Nam, In-Sik (Department of Animal Life and Environment Science, Hankyong National University) ;
  • Chang, Kyeong-Man (Department of Animal Life and Environment Science, Hankyong National University) ;
  • Son, Yong-Suk (Division of Biotechnology, Korea University) ;
  • Ki, Kwang-Seok (National Institute of Animal Science, R.D.A) ;
  • Jung, Ha-Yeon (National Institute of Animal Science, R.D.A) ;
  • Kang, Hee-Seol (National Institute of Animal Science, R.D.A) ;
  • Park, Seong-Min (National Institute of Animal Science, R.D.A)
  • Received : 2015.04.27
  • Accepted : 2015.06.11
  • Published : 2015.06.30
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Abstract

Total three hundred and fourteen dairy cows were used in this study to analysis of correlation between milking levels and automatic milking system (AMS). Cows were divided into five groups according to their milking levels (over 50 kg/day, 49~40 kg/day, 39~30 kg/day, 29~20 kg/day, 19~10 kg/day). All groups were compared with daily milking number, rejected number by AMS, residence time at AMS, milking time, flow rate of milk. Daily milking number and milking time were higher in the group of over 50 kg and 49~40 kg than that of other groups (p<0.05). There are no correlation on rejected number by AMS, residence time at AMS and flow rate of milk between milking levels and AMS. In addition, we found that the milk yield affected to feed intake and rumination of dairy cows. In conclusion, present results indicated that installation of AMS on dairy farms with high milk producing cows might be affected positively.

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References

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