Journal of Animal Science and Technology

  • 제49권6호
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  • Pages.753-760
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  • 2007
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  • 2672-0191(pISSN)
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  • 2055-0391(eISSN)
한국축산학회 (Korean Society of Animal Sciences and Technology)
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면역거세가 수퇘지의 생리적 변화, 도체 및 육질 특성의 차이에 미치는 영향

Effects of Immunocastration on Physiological Changes, the Characteristics of Carcass and Meat Quality in Boars

  • Kim, Y.H. (National Institute of Animal Science, RDA) ;
  • Jung, H.J. (National Institute of Animal Science, RDA) ;
  • Lee, S.D. (National Institute of Animal Science, RDA) ;
  • Ji, S.Y. (National Institute of Animal Science, RDA) ;
  • Park, J.C. (National Institute of Animal Science, RDA) ;
  • Moon, H.K. (National Institute of Animal Science, RDA)
  • 발행 : 2007.12.31
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초록

본 시험은 돼지에서 면역생물학 제제 투여에 따른 거세 효과를 구명하기 위해서 수행되었다. 공시동물은 2원교잡종(Landrace×Yorkshire) 21일령 자돈 45두를 공시하였고, 시험사육은 출하체중 110kg 도달 때까지 실시하였다. 시험구 배치는 비거세구(NC), 거세구(SC), 면역생물학 제제 투여구(GA)로 나누어 돈방당 5두씩 완전임의 배치하여 3회 반복하였다. 거세는 생후 3-4일령의 자돈에서 외과적 방법으로 실시하였다. 면역생물학 제제 투여는 GnRH antagonist (Improvac, Pfizer Australia)를 시험개시 후 16주와 20주에 각각 두당 2ml씩 2회에 걸쳐 피하주사하였다. 면역생물학 제제 투여에 따른 생산성은 다른 처리구에 비해 유의적인 차이는 나타나지 않았다. 도체특성에서, 정육율과 체지방 함량은 면역생물학 제제 투여에 의해 외과적 거세와 유사한 효과를 나타내었다. 육질 특성에서, 육색, pH, 전단력 및 가열 감량은 유의적인 차이를 나타내지 않았다. 혈중 testosterone 농도는 면역생물학 제제 2차 투여 2주 후에 일반 거세와 유사한 경향을 보였다. 생식기에서 정소 직경, 무게 및 요도구선 무게는 면역생물학 제제 투여에 의해서 비거세 돼지보다 유의적으로 작았다(P=0.002).따라서 본 시험에 이용한 면역생물학 제제를 투여하였을 때 도체 및 육질에 있어서 일반 거세와 비슷한 효과를 나타내었으므로 외과적 수술에 의한 거세를 대처할 수 있을 것으로 사료된다.

This study was undertaken to investigate the effects of the immunocastration on the growth performance, the characteristics of carcass and meat quality in boar. Total 45 piglets(Landrace×Yorkshire) were prepared from the birth and were fed the experimental diet by the time to be slaughtered at around 110 kg of body weight. The experimental groups consisted of five piglets per pen with 3 replicates in three treatment groups, non castrated(NC), surgically castrated(SC), and GnRH antagonist(GA). In SC group, all piglets aged 3-4 days after birth were castrated by the surgical method. For the immunocastration, 2ml of GnRH antagonist(Improvac, Pfizer, Australia) were subcutaneously injected into piglets twice on the 16th and 20th week after the beginning of the trial in the GA group. The immunocastration did not make any significant influences on the growth performance, as compared with the other treatments. The different castration method used in either GA or SC group pigs had similar effects on the dressing percentage and body fat content as carcass parameters. In respect of a meat quality, the meat color, pH, shearing force and cooking loss were not significantly different in all treatment groups. Testosterone concentration in serum was shown to be similar between GA and SC group at 2 weeks after the 2nd injection of GnRH antagonist. The weight of bulbourethral gland and the radius and weight of testis were significantly smaller in GA than in NC(P=0.002). All together, this study suggested that the castration by immunocastration can be an alternative method for the surgical castration without any changes in growth performance, the characteristics of carcass and meat quality shown in surgical castration group.

키워드

참고문헌

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피인용 문헌

  1. The Effects of Immunocastration on Meat Quality and Sensory Properties of Pork Bellies vol.31, pp.3, 2011, https://doi.org/10.5851/kosfa.2011.31.3.372
  2. Differential expression and co-expression gene networks reveal candidate biomarkers of boar taint in non-castrated pigs vol.7, pp.1, 2017, https://doi.org/10.1038/s41598-017-11928-0