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Effects of Dietary Supplementation of Garlic By-products on Performance and Carcass Characteristic of Chicken Meat

사료 내 마늘 부산물 첨가 급여가 육계의 생산성 및 도체 특성에 미치는 영향

  • 김영직 (대구대학교 동물자원학과)
  • Received : 2010.07.08
  • Accepted : 2010.08.30
  • Published : 2010.09.30

Abstract

This study was conducted to investigate the effects of dietary supplementation of garlic by-products on performance, proximate composition, carcass characteristic, cholesterol, and blood composition of chickens. Broiler chicks were fed diets for 5 weeks with a diet 1% garlic by-product (T1), 2% garlic by-product (T2), and 5% garlic by-product (T3). There were no difference among diet in performance. In proximate composition, crude fat of chicken meat was decreased in diets by addition of garlic by-product than control, but moisture and crude ash were no significant difference. Liver weight was significantly increased (P<0.05) by the dietary supplementation with garlic by-products compared to the control diet. The total cholesterol and LDL-cholesterol of treatment groups was lower than control, and the HDL-cholesterol of treatment groups was higher than control (P<0.05). Especially, T3 was significantly (P<0.05) more effective in improving cholesterol compared to other treatment groups. In blood composition, GOT of broiler was decreased in diet by garlic by-products than control group, but GPT, triglyceride, and glucose were no significantly different. In conclusion, these data indicate that supplementation of garlic by-products (T3) were most effective in decreasing total cholesterol, LDL-cholesterol, and GOT and increasing HDL-cholesterol.

본 시험은 육계에 마늘 부산물을 급여하여 5주간 사육한 육계의 생산성과 계육의 일반 성분, pH, 도체 특성, 콜레스테롤 함량 및 혈액 조성을 조사하였다. 실험구는 마늘 부산물을 첨가 급여하지 않은 처리구를 대조구, 마늘 부산물 1% 급여구는 T1, 마늘 부산물 2% 급여구는 T2 그리고 마늘 부산물 5% 급여구는 T3 등 4개 처리구로 나누어 사양하였다. 육계의 증체량, 사료 섭취량, 사료 요구율 등의 생산성은 유의적인 변화가 없었다. 계육의 일반 성분 중 조지방은 마늘 부산물을 급여함에 따라 감소하였고(P<0.05), T2에서 가장 낮은 함량을 보이고 있으며, 수분과 조회분은 처리구간에 유의성은 없었다. 도체 특성 중 간의 무게는 마늘 부산물 급여구에서 무거웠으며, 급여량이 증가할수록 다소 무거운 경향이었다(P<0.05). 계육의 총 콜레스테롤과 LDL-cholesterol은 마늘 부산물 급여구에서 낮았고, 특히 T3에서 가장 낮았으며 HDL-cholesterol은 높아지는 결과이었다(P<0.05). 혈액 성분중GOT는 마늘 부산물을 급여함으로 감소하는 경향이었고, GPT, triglyceride, glucose는 유의성이 없었다. 결론적으로 마늘 부산물 2%를 급여하면 육계의 생산성에는 영향을 미치지 않으면서 계육의 콜레스테롤 함량에 영향을 미칠 수 있을 것으로 사료된다.

Keywords

References

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