Application of Artificial Insemination Technology for Dairy Breeding in Mongolia

  • Jin, Jong-In (Division of Applied Life Science (BK21 Program), Department of Animal Science, Gyeongsang National University) ;
  • Kim, Sung-Su (Division of Applied Life Science (BK21 Program), Department of Animal Science, Gyeongsang National University) ;
  • Cho, Hyun-Tae (Division of Applied Life Science (BK21 Program), Department of Animal Science, Gyeongsang National University) ;
  • Choi, Byung-Hyun (Division of Applied Life Science (BK21 Program), Department of Animal Science, Gyeongsang National University) ;
  • Lee, Jung-Gyu (Division of Applied Life Science (BK21 Program), Department of Animal Science, Gyeongsang National University) ;
  • Kim, Yun-Shik (Department of Agriculture Economic, Gyeongsang National University) ;
  • Kim, Sam-Churl (Division of Applied Life Science (BK21 Program), Department of Animal Science, Gyeongsang National University) ;
  • Cho, Kyu-Woan (College of Veterinary Medicine, Graduate School of Gyeongsang National University) ;
  • Baldan, Tumor (School of Biological Resource and Management, Mongolia State University of Agriculture) ;
  • Kong, Il-Keun (Division of Applied Life Science (BK21 Program), Department of Animal Science, Gyeongsang National University)
  • Received : 2011.11.28
  • Accepted : 2011.12.07
  • Published : 2011.12.31

Abstract

This study was focused on improvement of milk production in Mongolian dairy industry by artificial insemination (AI) technology, supported by ODA of KOICA in Republic of Korea. This program was started in January 2009 and it is in $3^{rd}$ years. This manuscript summarized the data especially on estrus synchronization and pregnancy establishment in dairy cows (Holstein) this year. A total of 81 dairy cows from 4 private farms (38 from Undarmal milk and that of 30, 8 and 5 dairy cows from Onjin (Enkhbayer), Jargalant, and BRM School farms respectively) were synchronized with 5 ml Lutalyse (i.m.) in the dump of dairy cows and then estrus was detected 2 to 3 days after $PGF_{2{\alpha}}$ injection. The synchronized dairy cows were inseminated with 0.5 ml dairy frozen semen by conventional artificial insemination (AI) techniques. Pregnancy was diagnosed about 60 days after AI by palpation method. About 96.3% (78/81) of synchronized cows were responded to single $PGF_{2{\alpha}}$ injection. Total 75 over 78 dairy cows (90.1%) inseminated were diagnosed as pregnant. The estrus induction and pregnancy rates were very effective using Lutalyse injection and conventional AI techniques in Mongolian dairy cow. The present results indicated that AI after estrus induction in Mongolian dairy cows could be applied to dairy breeding technology for improving breeding efficiency and milk production of the country.

Keywords

References

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