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

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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A Study on the Utilization of Horse grazing in the Renewal Pasture of Low Productive Pasture

부실초지 갱신초지에서의 말 방목이용에 관한 연구

  • Received : 2018.09.28
  • Accepted : 2018.11.09
  • Published : 2018.12.31
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Abstract

This study was carried out to identify the effect of the rate of botanical composition, dry matter yield and liveweight gain of horse by renewing low productive pasture. According to the first survey (5.11) before grazing, No.64 was the highest at 81%, followed by No.39 71%t and No.44 65%. For the second and third surveys, the rate of pasture was relatively low, except for No.64. Annual total DM production was the highest at No.44 13,459 kg/ha, then with No.64 and No.39, productivity was 13,232kg/ha and 12,042kg/ha, respectively. No.44 and No.39, the confluence of orchardgrass and perennial ryegrass, showed a sharp decline because of summer depression after the second survey. The livestock growth rate per 10,000 square meters was 70kg, compared with 47.5kg and 36.2kg, respectively. The daily livestock gains in No.39, No.44, and No.66 was 1.09 kg, 1.08 kg and 1.03 kg, respectively.

본 연구는 부실초지를 갱신을 통해 목초율, 목초생산성 및 방목에 의한 증체효과를 규명하기 위하여 수행하였다. 그 결과는 다음과 같다. 방목개시전인 1차(5.11) 조사 시에는 No.64구가 목초비율 81%로 가장 높았으며, No.39 71%, No.44 65% 순이었다. No.64구를 제외하고는 2차 및 3차 조사 시 목초율이 55%내외로 비교적 낮았다. 연가 총 건물생산량은 No.44가 13,459kg/ha로 가장 높았으며 그다음 No.64 및 No.39로 각각 13,232kg/ha, 12,042kg/ha의 생산성을 보였으나 오차드그라스와 페레니얼 라이그라스 혼파구인 No.44구와 No.39구는 하고현상 등으로 인해 2차 조사 이후 급격한 수량감소를 보였다. $10,000m^2$ 당증체량은 No.39구가 70kg으로 No.64 및 No.44 각각 47.5kg과 36.2kg을 큰 격차를 보였으나 일당증체량은 No.39와 No.44는 각각 1.09kg과 1.08로 거의 같은 증체량을 보였고 No.64도 1.03kg의 일당증체량을 보였다.

Keywords

References

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