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

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Study on the Food Habits of Korean Native Goats (Capra hircus) Fed with Various Roughage Sources

여러 가지 조사료를 급여한 재래산양의 채식습성에 관한 연구

  • Lee, In-Duk (Division of Animal Science and Resources, College of Agriculture and Life Science, Chungnam National University) ;
  • Lee, Hyung-Suk (Woosong Information College)
  • Published : 2008.06.30
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Abstract

The object of this experiment was to investigate the food habits of Korean native goats fed with various roughage sources. The feeding trials were conducted at Chungnam National University and Unbong Animal Genetic Resources Station in 2007. The experimental roughages sources were five including 25 species in all; grass sources: 5 species (Lolium perenne, Festuca arundinacea, Poa pratensis, Agrostis alba and mixed grass, legume sources: 5 species (Trifolium pratense, Medicago sativa, Trifolium repens, Melilotus officinalis and Vicia villosa), browse sources: 5 species(Quercus serrata Thunb., Prunus jamasakura Sieb., Quercus aliena Blume, Robinia pseudoaccacia and Pinus densiflora), weed sources: 5 species(Artemisia princeps Pampanini, Erigeron canadensis, Alopecurus aegualis Sobolewski, Echinochloa crusgalli var. frumentacea (Roxb.) Wight and Rumex crispus), and native grass sources: 5 species(Zoysia japonica Steudel, Agropyron tsukushiense var. transiens(Hack) Ohwi., Arundinella hirta(Thunb.) Tanaka, Miscanthus sinensis Anderss and Phragmites comunis Trin). Ten Korean native goats were selected which had nearly the same body weight(average 30.6kg, 남) as experimental animals. Experimental roughages were prepared by 0.5kg per 1 species fed to Korean native goats, and the experiment was carried out from 08:00 to 20:00. The chemical composition and dry matter digestibility of each roughage source and species were significantly different at the sampling area, plant species, growth stages and cutting period (p<0.05). The Korean native goats ate more roughages which had low fibrous contents, but high dry matter digestibility. Among all the 25 species of roughages, the favorite intake species order by Korean native goats was observed like this: Quercus serrata Thunb., Quercus aliena Blume, Trifolium repens, and Pinus densiflora and Artemisia princeps Pampanini which was lower intake compared to other domestic herbivores. On the other hand, compared to each roughage source, total intake amount by Korean native goats was showed as browse(29.9%), legumes(23.0%), weeds(21.6%), grasses(21.5%) and native grasses(4.0%), respectively. Based on the result, the food habit of Korean native goats seems to be closer to browser type.

본 연구는 2007년 3월부터 10월까지 충남대학교 부속사육장 및 전북 남원시 운봉읍 소재 가축유전자원시험장에서 수행하였다. 공시시료는 화본과목초(gasses)는 Lolium perenne, Festuca arundinacea, Poa pratensis, Agrostis alba 및 mixed grasses의 5종과, 두과목초(legumes)는 Trifolium pratense, Medicago sative, Trifolium repens, Melilotus officinalis 및 Vicia villosa의 5종 수엽(樹葉, browse)으로 Quercus serrata Thunb., Prunus jamasakura Sieb., Quercus aliena Blume, Robinia pseudoaccacia 및 Pinus densiflora의 5종과 잡초(weeds)는 Artemisia princeps Pampanini, Erigeron canadensis, Alopecurus aegualis Sobolewski, Echinochloa crusgalli var. frumentacea(Roxb.) Wight 및 Rumex crispus의 5종을, 야초(native grasses)는 Zoysia japonica Steudel, Agropyron tsukushiense var. transiens(HACK) Ohwi., Arundinella hirta(Thunb.) Tanaka, Miscanthus sinensis Anderss 및 Phragmites comunis Trin의 5종 등 총 25종을 공시하였다. 시험축은 재래산양(남) 10두를 공시하였으며, 평균체중은 30.6kg이었다. 시료는 초종 당 건물기준으로 0.5kg씩 급여하였고 오전 8시부터 오후 8시까지 전북 남원시 운봉읍 소재 가축유전자원시험장 축사내에서 수행하였으며 시험결과는 다음과 같다. 공시시료의 조사료원별로 분석한 화학적 성분과 5건물소화율은 대체적으로 채취장소 초종, 생육단계 및 예취시기에 따라 차이를 보였다. 채식량, 채식비율 및 채식순위는 초종 및 수종에 따라 차이를 보였으며, 대체적으로 섬유소물질의 함량이 낮은 반면에 건물소화율이 높은 조사료를 더 즐겨 채식하는 양상이었다. 재래산양은 Quercus serrata Thunb.(졸참나무 잎, 500g)을 가장 즐겨 채식하였으며, 다음은 Quercus aliena Blume(갈참나무 잎, 441g), Trifolium repens(white clover, 433g), Pinus densiflora(소나무 잎, 417g) 순이었으며 다른 가축이 즐겨 먹지 않는 Pinus densiflora나 Artemisia princeps Pampanini(쑥)도 즐겨 채식하였다. 재래산양의 조사료원별 채식분포를 보면 수엽 29.9%, 두과목초 23%, 잡초 21.6%, 화본과목초 21.5% 및 야초 4.0%를 채식하였던 것으로 보아 채식습성은 수엽채식형(browser type)에 더 가까운 것으로 판단되었다.

Keywords

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