Korean Journal of Poultry Science (한국가금학회지)

The Korean Society of Poultry Science (한국가금학회)
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Effects of Dietary Peat Moss on Performance in Broilers

피트모스 첨가사료가 육계의 생산성에 미치는 영향

  • Kim, Jimin (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Kang, Seokmin (Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University) ;
  • Yang, Young-Rok (Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Yoon, Jeong-Yong (Division of Applied Life Sciences (BK21 Plus Program), Gyeongsang National University) ;
  • Jo, Kwonho (Greenvortex, Inc.) ;
  • Choi, Yang-Ho (Institute of Agriculture and Life Sciences, Gyeongsang National University)
  • 김지민 (경상대학교 축산학과) ;
  • 강석민 (경상대학교 대학원 응용생명과학부(BK21 Plus Program)) ;
  • 양영록 (경상대학교 축산학과) ;
  • 윤정용 (경상대학교 대학원 응용생명과학부(BK21 Plus Program)) ;
  • 조권호 (그린볼텍스(주)) ;
  • 최양호 (경상대학교 축산학과)
  • Received : 2015.09.04
  • Accepted : 2015.09.23
  • Published : 2015.09.30
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Abstract

Peat moss has been found to be useful as a plant growth substance, fertilizer, and soil solution. It is not known, however, whether dietary peat moss affects performance in broilers. In the present study, we investigated the effects of dietary peat moss as a feed ingredient in broilers. Experimental diets were prepared by mixing basal feed with PM at 0.0, 0.2, 0.4, 0.8, and 1.6%. In experiment 1, 150 14-day-old Ross broiler chicks were housed for 2 weeks in 15 pens that were randomly assigned into five groups (0.0%, 0.2%, 0.4%, 0.8% and 1.6% PM). Dietary peat moss at 0.2% and 0.4% significantly increased the water intake, body weight, weight gain and feed efficiency compared with the control (0.0% PM, P<0.05) but did not affect feed intake. Higher levels of PM (0.8 and 1.6%) significantly decreased feed intake, body weight and weight gain. In experiment 2, 198 7-day-old Ross chicks were housed for 3 weeks in nine pens that were randomly assigned into three groups (0.0%, 0.2% and 0.4% PM). When the broilers were fed with dietary peat moss for 3 weeks, the peat moss effects disappeared. The results of the current study show that low amounts of dietary peat moss may exert beneficial effects on performance in broilers.

최근까지 피트모스에 대한 연구는 식물 생장촉진제, 비료대체제 및 토양오염 복원제로서의 기능에 관한 분야가 대부분이었다. 본 연구에서는 사료첨가제로서 피트모스 추출물을 이용하여 육계의 생산성에 미치는 영향을 조사하였다. 실험 1에서는 14일령의 Ross 150수를 각 10수씩 5개의 처리구(0.0%, 0.2%, 0.4%, 0.8% 및 1.6% PM)로 3번 무작위로 반복 배치되었고, 28일령까지 2주 동안 5개의 피트모스 첨가사료를 급여하였다. 실험 2에서는 7일령의 Ross 198수를 각 22수씩 3개의 처리구(0.0%, 0.2% 및 0.4% PM)로 3번 무작위로 반복 배치되었고, 28일령까지 3주 동안 3개의 피트모스 첨가사료를 급여하였다. 그 결과, 피트모스 함량이 0.2% 또는 0.4%가 첨가된 사료를 2주 동안 급여하였을 때, 대조구에 비해 음수량, 체중, 증체량 및 사료효율이 유의하게 증가한 반면, 사료섭취량에서는 차이가 없었다. 그러나 피트모스 첨가 사료를 3주 이상 급여하였을 경우 그 효과는 감소하였다. 사료 피트모스 함량이 0.8% 이상 급여되면 사료섭취량, 체중 그리고 증체량은 유의하게 감소하였다. 따라서 본 연구의 결과는 피트모스의 적정 첨가 비율과 급여 기간은 각각 0.4% 및 2주이며, 사료첨가제로서의 피트모스의 가능성을 시사한다.

Keywords

References

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