Journal of The Korean Society of Grassland and Forage Science (한국초지조사료학회지)

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Effects of Total Mixed Fermentations with Spent Mushroom (Flammuliua velutipes) and Wet Brewer's Grain on Growth Performance, Feed Intake and Nutrient Digestibility in Korean Black Goats

버섯폐배지와 맥주박 첨가 섬유질발효사료 급여가 흑염소의 생산성, 사료섭취량 및 영양소 소화율에 미치는 영향

  • Hwangbo, Soon (Department of Animal Resources Science, Daegu University)
  • Received : 2014.01.10
  • Accepted : 2014.02.08
  • Published : 2014.03.31
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Abstract

This study was conducted to investigate the feeding effects of total mixed fermentations (TMF) with spent mushroom (Flammuliua velutipes) and wet brewer's grain on estimating the productivity and nutrient utilization of Korean black goats. Four experimental groups were set up with each of the 5 animals for a 30-day feeding trial on growth performance. 12 black goats with regard to nutrient digestibility were allocated to 4 groups of 3 animals each by a latin-square design control group (offered concentrate and rice straw) and 3 treatment groups (TMF with 15% spent mushroom and 25% wet brewer's grain (T1), 10, 30% (T2) and 5, 35% (T3)). The average daily gain (ADG) of the control and T1 treatment groups was higher than that of the T3 treatment group (p<0.05). Dry matter (DM) and organic matter (OM) intake (kg/head) for T1 and T2 treatment groups were significantly higher than those of the control group (p<0.05). The digestibility of DM and OM for the control group (62.39~63.39%) and the T1 treatment group (65.02~65.25%) were significantly higher than those of the T3 treatment group (56.39, 59.01%) (p<0.05). Further, nitrogen retention was significantly higher in the T1 treatment group (p<0.05). Thus, these results conveyed that productivity and nutrient utilization were similar between TMF with spent mushroom and wet brewer's grain and commercial feeds. However, this study also suggested that feed must contain 25~30% spent mushroom due to the fact that the productivity of Korean black goats was decreased by increasing the content of spent mushroom.

본 연구는 버섯폐배지와 맥주박을 이용한 섬유질 발효사료의 급여효과를 알아보기 위해 흑염소의 생산성과 영양소 이용율을 조사하였다. 증체조사를 위한 사양 시험은 거세흑염소 20두를 이용하여 처리구당 5두씩 30일간 수행하였고, 소화율 시험은 거세흑염소 12두를 공시하여 처리구당 3두씩 라틴방각법으로 실시하여, 처리구는 대조구(배합사료 및 볏짚 급여구)와 3개의 시험구(버섯폐배지, 맥주박 비율이 각각 15와 25%(T1), 10과 30%(T2) 및 5와 35%(T3))로 각각 배치하였다. 일당증체량은 대조구와 T1구가 T3구 보다 유의하게 높게 나타났다(p<0.05). 1일 두당 건물섭취량과 유기물섭취량은 T1과 T2구가 대조구 보다 유의하게 높은 섭취량을 보였다(p<0.05). 건물소화율과 유기물소화율은 대조구와 T1구가 각각 62.39∼63.39%와 65.02~65.25%로 T3구의 각각 56.39와 59.01% 보다 유의하게 높게 나타났다(p<0.05). 질소축적량은 T1구가 가장 높게 나타났다(p<0.05). 따라서, 본 연구의 결과 버섯폐배지와 맥주박을 이용한 섬유질 발효사료는 시판사료를 급여한 대조구와 대등한 생산성과 영양소 이용율을 보였다. 그러나 버섯폐배지의 첨가 비율이 높아질수록 흑염소의 생산성 저하가 우려되므로 버섯폐배지 첨가는 25~30% 수준으로 배합하는 것이 필요하다 판단된다.

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