Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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Nutrient Digestibilities and Fecal Characteristics of Diets Including Brown Rice for Miniature Poodle

Miniature Poodle에 있어서 현미 함유사료의 영양소 소화율 및 배설 분 특성

  • 홍경희 (농촌진흥청 국립축산과학원) ;
  • 오영균 (농촌진흥청 국립축산과학원) ;
  • 이상락 (건국대학교 동물자원과학과) ;
  • 소경민 (농촌진흥청 국립축산과학원) ;
  • 문상호 (건국대학교 식품생명과학부) ;
  • 박창석 (농촌진흥청 국립축산과학원) ;
  • 이경원 (농촌진흥청 국립축산과학원) ;
  • 김경훈 (농촌진흥청 국립축산과학원)
  • Received : 2012.09.26
  • Accepted : 2012.10.19
  • Published : 2012.10.31
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Abstract

In this experiment, two inclusion levels (15 and 30% of diets, as-fed basis) of brown rice (BR) were tested against a control diet with 0% BR (51% wheat flour of diet). Six female Miniature Poodles (8~9 months age, initial mean body weight of 3.5 kg) were assigned to treatments in replicated $3{\times}3$ Latin square design. Total tract digestibilities of DM, OM, CP, acid hydrolyzed fat and gross energy increased linearly (P<0.05), and observed digestible energy and metabolizable energy values also increased linearly (P<0.001 and P=0.007, respectively) with increasing BR inclusion levels. Wet and dry fecal output decreased linearly (P=0.001) with increasing BR inclusion levels in the diets. Linear (P<0.05) effects was observed in fecal score for dogs fed BR and fecal ammonia concentration increased linearly (P<0.05) in response to increasing BR inclusion level. It seems that the increase in fecal ammonia concentration may be partially related to the decrease in short-chain fatty acid concentration (P<0.01). This study clearly demonstrates that BR improves nutrients digestibility and fecal characteristics of dog.

본 연구는 반려견 사료 내 주요 탄수화물원인 밀가루 (원물기준 약 51%)를 현미로 15%, 30% 대체 급여하였을 때, 사료의 소화율 및 배설 분의 특성 변화를 조사하기 위하여 Miniature Poodle (8~9개월령, 평균 3.5kg) 6마리를 이용 반복 $3{\times}3$ 라틴방각법에 따라 실험을 수행하였다. 건물 섭취량과 유기물섭취량이 현미수준 증가에 따라 linear하게 감소 (P<0.05)되었는데, 총에너지 섭취량은 15%구에서 가장 낮은 quadratic 효과 (P=0.07)가 나타났다. 현미 대체에 의해 건물, 유기물, 조단백질, 산분해 지방, 에너지 소화율이 linear (P<0.05)하게 증가하였다. 사료의 가소화에너지 및 대사에너지 농도 (kcal/kg DM)도 현미 대체 비율이 증가하면서 linear 하게 증가 (P<0.001, P=0.007)하였다. 생분 배설량과 건조 분량도 모두 linear(P=0.001)하게 감소하였다. 분 score도 linear하게 감소 (P<0.05)하게 감소하였지만, 분 암모니아 농도는 현미대체 비율이 증가 할수록 linear하게 증가 (P<0.05)하였다. 분 암모니아 증가는 linear하게 감소 (P<0.01)한 short chain fatty acid 농도와도 관계가 있을 것으로 판단된다. 본 실험의 결과, 현미급여가 반려견의 소화율과 배설 분의 특성을 개선해 주는 것으로 나타났다.

Keywords

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