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Colostrum Management and Use in Domestic Dairy Farms

국내 낙농가의 초유관리와 이용

  • 정석근 (농촌진흥청 국립축산과학원) ;
  • 함준상 (농촌진흥청 국립축산과학원) ;
  • 김동훈 (농촌진흥청 국립축산과학원) ;
  • 채현석 (농촌진흥청 국립축산과학원) ;
  • 유영모 (농촌진흥청 국립축산과학원) ;
  • 장애라 (농촌진흥청 국립축산과학원) ;
  • 권일경 (강원대학교) ;
  • 이승규 (농촌진흥청 국립축산과학원)
  • Received : 2009.03.10
  • Accepted : 2009.04.17
  • Published : 2009.04.01

Abstract

Colostrum provide a complete diet for the newborn calves. In ruminants, colostrum is also the sole source of initial acquired immunity for the offspring. Colostrum, therefore, plays an important role in ruminants host defense. Bovine colostrum imparts passive immunity to newborn calves during the first 24h of life and generally has been fed for the first 3 days after birth. Colostrum can be preserved conveniently for future use by brief refrigeration, freezing, or storage at ambient temperatures (fermentation or chemical treatment). Colostrum management were surveyed via data collection from 67 dairy farms in Gyeonggi and Chungnam provinces. After parturition for five days the total amount of produced colostrum was 80.4 kg on average, and the average amount of lactation fed to a calf was 20.9 kg. According to the survey results, identified treatment methods for surplus colostrum are as follows; disposal 17.9%, other calf feeding 37.3%, storage 22.4%, other livestock feeding 20.9% and other treatment 1.5%. For improvement in the quality of colostrum, there must be controlled usage of medicines (such as antibiotics) before and after parturition, proper choices of milk-drying agents, and increased milking yields during the early stage of the milking period.

초유는 신생 송아지에게 완전식품으로 제공된다. 반추동물에서 초유는 송아지에게 처음 제공되는 후천적 면역물질의 유일한 공급원이다. 따라서 초유는 반추동물의 숙주방어에서 중요한 역할을 한다. 소의 초유는 신생 송아지에게 처음 24시간 동안 수동 면역물질을 공급하고, 일반적으로 생후 처음 3일 동안 공급된다. 초유는 저장 후 사용을 위해 냉각, 냉동 또는 대기온도에서 발효 또는 화학처리에 의해 보관할 수 있다. 초유관리 조사는 경기와 충남지역에 있는 67개 낙농가로부터 자료 수집을 통하여 조사하였다. 분만 후 5일 동안 생산한 초유의 총 생산량은 평균 80.4 kg이었고, 송아지에게 급여한 포유량은 평균 20.9 kg이었다. 조사결과에 따르면, 남는 초유의 처리방법은 그냥 버린다가 17.9%, 다른 송아지 포유용으로 이용한다가 37.3%, 저장 이용한다가 22.4%, 다른 가축에게 준다가 20.9%, 기타방법으로 처리한다가 1.5%로 확인되었다. 초유의 품질향상을 위해서는 분만전후의 항생제 사용자제와 건유연고의 올바른 선택, 착유 초기동안 착유량을 증대해야 할 것으로 나타났다.

Keywords

References

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