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Effects of Dietary Wormwood (Artemisia montana Pampan) Powder Supplementation on Growing Performance and Fecal Noxious Gas Emission in Weanling Pig

쑥분말 급여가 이유자돈의 생산성과 분의 유해가스 발생량에 미치는 영향

  • Kim, Y M. (Institute of Agriculture & Life Sciences, Gyeongsang National University) ;
  • Kim, J.H. (Korea Applied Microorganism Institute Research) ;
  • Kim, S.C. (Division of Applied Life Science, Gyeongsang National university) ;
  • Lee, M.D. (Division of Applied Life Science, Gyeongsang National university) ;
  • Sin, J.H. (Division of Applied Life Science, Gyeongsang National university) ;
  • Ko, Y.D. (Division of Applied Life Science, Gyeongsang National university)
  • 김영민 (경상대학교부속 농업생명과학연구원) ;
  • 김재황 (한국응용미생물산업연구소) ;
  • 김삼철 (경상대학교 응용생명과학부) ;
  • 이문도 (경상대학교 응용생명과학부) ;
  • 신재형 (경상대학교 응용생명과학부) ;
  • 고영두 (경상대학교 응용생명과학부)
  • Published : 2003.08.30

Abstract

This study was conducted to investigate the effect of dietary wormwood powder (Artemisia montana Pampan; WP) supplementation on growing performance and fecal noxious gas emission in weanling pigs. One hundred and twelve pigs were alloted into four treatments and offered for 4 weeks one of the diets supplemented with 0% (control), 0.5% (0.5), 1.0% (1.0) and 2.0% (2.0) WP. Each treatments has four replicate with 7 pigs per replicate. ADG, ADFI and F/G were improved by 1.0 and 2.0 WP supplementation during 0d${\sim}$14d feeding. Feed intake of 1.0 WP diet was higher (P<0.05) than any other diet during 15d${\sim}$28d feeding. But there were no differences among the other treatments in the weight gain and feed conversion. During the whole feeding period, daily weight gain and feed intake of pigs fed 1.0 and 2.0 treatments were higher than those of pigs fed control and 0.5 diet. DM digestibility was significantly (P<0.05) higher in weanling pigs fed 0.5, 1.0 and 2.0 WP than that of the control. The protein digestibility was significantly improved in 1.0 WP treatment and the phosphorus digestibility was improved in 2.0 WP treatment. Excretion of nitrogen and phosphorus was significantly (P<0.05) decreased by 2.0 treatment than control. Emission of fecal ammonia after 48 hours storage in vinyl bag dramatically decreased by all the treatments except control. However, there was no statistical difference in fecal hydrogen sulfide emission among treatments. In conclusion, this study suggested that the dietary 1.0${\sim}$2.0 supplementation of WP can improve productivity of pigs decrease fecal $NH_3$ and $H_2S$ gas emission.

Keywords

Wormwood powder;Growth performance;Weanling pig;Ammonia;Hydrogen sulfide

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