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비글견의 BCS별 필수 미네랄의 외관상 전장 소화율 평가

Evaluation of Apparent Total Tract Digestibility of Essential Minerals by Body Condition Score in Beagle Dogs

이민영|김기현|조현우|천주란|서강민
농업생명과학연구원 (Institute of Agriculture & Life Science, Gyeongsang National University)|2023|농업생명과학연구 (Journal of Agriculture & Life Science)|제57권 제4호|pp. 117-124

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키워드

비만ObesityMineral비글소화율미네랄체평점지수Beagle dogBody condition scoreDigestibility

초록

본 연구는 과체중과 정상체중의 비글견 사이에서 미네랄 소화율의 차이를 평가하기 위해 수행되었다. 중성화 된 건강한 비글견 11마리(47.7개월령±0.14)의 Body condition score (BCS)를 기준으로 Normal BCS 그룹(BCS≤5, n=5)과 High BCS 그룹(BCS ≥6, n=6)의 두 그룹에 배치하였다. 시험사료는 반려견의 영양소 요구량을 충족하도록 제조하여 개체 별 에너지요구량에 맞춰 일일 2회에 나누어 14일 동안 급여하였다. 미네랄의외관상 전장 소화율은 0.5% 산화크롬(Cr2O3)을 이용한 지시제법을 이용하여 평가되었다. 사료와 분변 내 Macro 미네랄(K, Mg, P, Na, Ca)과Micro 미네랄(Se, Fe, Zn, Cu, Mn)의 함량은 유도결합플라즈마 분광광도계를 이용하여 분석하였다. 체중과 BCS는 Normal BCS 그룹 보다High BCS 그룹이 유의하게 높았으며(p<0.01), 시험기간 동안 두 그룹 내 각각의 체중과 BCS는 통계적으로 유의한 변화는 관찰되지 않았다(p>0.05). 미네랄 소화율을 평가한 결과, Macro 미네랄 중에서는 마그네슘, 인, 칼슘의 소화율이 High BCS 그룹에서 높은 경향으로 관찰되었으며(p<0.1),Micro 미네랄 중에서는 High BCS 그룹에서 망간의 소화율이 유의하게 높았고(p<0.05), 셀레늄과 아연의 소화율은 높은 경향(p<0.1)을 나타내었다. 또한, 통계적인 유의성과 관계없이 분석한 모든 미네랄 지표에서 High BCS 그룹이 Normal BCS 그룹보다 높은 소화율의 결과를 보여 주었다. 본 연구의 결과는 비글견에서 과체중 또는 비만이 미네랄 소화율의 변화를 유도할 잠재적 가능성을 보여주었다.

Abstract

This study was conducted to evaluate the differences in mineral digestibility between overweight and normal weight beagle dogs. A total of 11 healthy neutered beagle dogs (47.7±0.14 month-age old) were divided into the Normal BCS Group (BCS≤5, n=5) andthe High BCS Group (BCS ≥6, n=6) based on their body condition scores (BCS). The experimental diet was manufactured to meetthe nutrient requirements and supplied to dogs according to their individual energy requirement amount twice a day for 14 days. Theapparent total tract digestibility of minerals was evaluated as an indicator method using 0.5% chromium oxide (Cr2O3). The contentsof macro- (K, Mg, P, Na, Ca) and micro-minerals (Se, Fe, Zn, Cu, Mn) in diet and feces were analyzed using an inductively coupledplasma spectrophotometer. Body weight and BCS were significantly higher in the High BCS group than in the Normal BCS group(p<0.01), and no statistically significant changes were observed in the weight and BCS within same group during the experimental period(p>0.05). As a result of evaluating mineral digestibility, the digestibility of magnesium, phosphorus, and calcium among macro mineralstended to be high in the High BCS group (p<0.1). And the digestibility of manganese among micro minerals was significantly higherin the High BCS group (p<0.05), and the digestibility of selenium and zinc showed a high tendency (p<0.1). In addition, regardless of statistical significance, the High BCS group showed a higher digestibility than the Normal BCS group in overall minerals analyzedin this study. The results of this study showed that overweight or obesity has the potential to induce changes in mineral digestibilityin beagle dogs.

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