한국유기농업학회지 (Korean Journal of Organic Agriculture)

  • 제18권3호
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  • Pages.347-361
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  • 2010
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  • 1229-3571(pISSN)
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  • 2287-819X(eISSN)
한국유기농업학회 (Korean Association of Organic Agriculture)
권호 표지

사료내 쑥 첨가가 육계의 성장률, 영양소 이용률, 복강내 지방에 미치는 영향

Effects of Dietary Addition of Wormwood (Artemisia sp.) on the Growth Performance, Nutrients Utilization, and Abdominal Fat Deposition of Broiler Chickens

  • Lee, Sung-Jin (Dept. of Animal Biotechnology, Kangwon National University) ;
  • Song, Ki-Duk (Dept. of GM Oncology-Res., Univ. of Texas, MD Anderson Cancer Center) ;
  • Ko, Yung-Du (Division of Applied Life Science, Gyeongsang National University) ;
  • Kim, Chang-Hyun (School of Animal Life and Environment Science, Hankyong National University)
  • 투고 : 2010.01.18
  • 심사 : 2010.04.14
  • 발행 : 2010.09.30
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초록

본 연구는 국내에서 약용으로 많이 사용되고 있는 쑥을 건조시켜 사료에 첨가할 경우 육계의 성장률, 영양소 이용률, 복강내 지방함량에 미치는 영향을 구명하기 위하여 2일령의 Arbroracre 계통의 육계 숫병아리 225 수를 공시하여 쑥 분말의 첨가를 00/0(대조군, C), 1% ($T_l$), 3%($T_2$), 5%($T_3$), 10%($T_4$) 둥 모두 5개 군으로 나누어 5 주간 3 반복 사양실험하였다. 육계의 최종체중 1% 처리군($T_l$ : 1723.0g)이 대조군(1715.3g), $T_2$(1708.3g), $T_3$(1557.7g, P<0.05), 그리고 $T_4$(l450.7g) 보다 효과가 좋았다. 그러나 사료 섭취량은 쑥 분말 첨가량이 많아질수록 증가하였다(C: 2653.8g, $T_l$: 2852.0, $T_2$: 2900.3, $T_3$: 2900.7g, $T_4$: 2954.7g). 또한 쑥 분말 1% 첨가군($T_l$)에서 2kg 도달일령이 가장 우수하여 대조군 보다 0.6일 빠른 42.6일이었으나 쑥 분말을 3% 이상 처리시에는 오히려 늦어지는 것으로 나타났다. 사료요구량은 쑥분말 첨가가 증가함에 따라 유의적으로 증가하졌지만, 복강내 지방함량은 유의적으로 감소하였다. 비록 체중, 사료요구량, 사료 섭취량 등은 대조구와 비교하여 효과가 없었지만, 복강내 지방함량을 고려할 때, 쑥 분말 첨가 1% 이하로 급여할 경우 인간의 건강에는 효과적일 것으로 판단되었다.

This study was carried out to investigate the effects of wormwood (Artemisia sp.) addition on the growth performance, nutrients utilization and abdominal fat deposition of broiler chickens. Two hundred twenty five and two-day old Arboracre strain male commercial broiler chicks were distributed to 5 treatments with wormwood supplementation levels; C(O%), $T_1$ (1%), $T_2$ (3%), $T_3$ (5%), and $T_4$ (10%) and with 3 replications each with 5 birds for five weeks. Body weight gain during the experiment was improved in $T_1$ (1723.0g) compared with that of $T_3$ (1557.7g) and $T_4$ (1450.7g) (P<0.05). Feed intake was significantly (P<0.05) increased as the levels of wormwood addition increased (C: 2653.8g, T1: 2852.0, $T_2$: 2900.3, $T_3$: 2900.7g, T4: 2954.7g). Feed conversion rate (feed/gain) was significantly (P<0.05) increased as the levels of wormwood addition increased (C: 1.55, $T_1$: 1.66, $T_2$: 1.70, $T_3$: 1.86, $T_4$: 2.04). The days reaching to 2.0kg of body weight were expected to be 43.2 days in control, whereas those of group T1 were reduced to 42.6 days by 0.6 day from control. Nutrient utilization and abdominal fat deposition in the experiment were significantly decreased (P<0.05) and small intestine contents in the broilers was significantly increased (P<0.05) as the levels of wormwood addition increased. Therefore, although there was no significant improvement for the performance of broiler chickens with the dietary supplementation of wormwood meal, less than 1% addition of wormwood to broiler diets might have beneficial for human health by reducing the abdominal fat deposition of the broiler chicknens.

키워드

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