Journal of Animal Environmental Science (한국축산시설환경학회지)

The Korean Society of Animal Environmental Science & Technology (한국축산환경학회)
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The Effect of Fermented Diet with Whole Crop Barley Silage on Fecal Shape and Odorous Compound Concentration from Feces in Pregnant Sows

청보리 사일리지 첨가 발효사료가 임신돈의 분 성상 및 악취물질 농도에 미치는 효과

  • Received : 2011.10.10
  • Accepted : 2011.12.20
  • Published : 2011.12.30
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Abstract

The study was conducted to investigate the effect of feeding fermented diet including whole crop barley silage on the odor reduction and microbial population change in feces, and the constipation prevention of pregnant sows. The concentration of phenol was not detected in tapioca, beet pulp, wheat bran and lupin seeds, while that of p-cresol was ranged between 9.62 and 52.11 mg/L showing that lupin was highest and tapioca was lowest. It was determined that tapioca and beet pulp were useful feed ingredients to reduce odor due to their lower contents of phenol and indole compounds. Ten pregnant sows were allocated to control group and fermented diet group in 5 sows in each group. They were fed 3.0 kg DM/d of diets for 28 days. Feces was examined and showed that the feces from the fermented diet group was observed with the higher moisture content and the lower hardness than that of the control diet group and the population of E. coli was decreased and the population of lactobacilus was higher than that of the control diet group. The concentrations of p-cresol and skatole were lower than the detection levels at 33% and 67% among the samples of feces of the control group and at 67% and 100% among the samples of the feces of fermented diet group respectively. Thus it is expected that the odor from the feces of pregnant sows fed the fermented diet could be reduced compared with that of control group. Therefore, it is suggested that feeding fermented whole barley diet to pregnant sows improve the function of intestine and reduce the rate of occurrences of constipation and odor levels.

본 연구는 청보리 사일리지가 첨가된 발효사료를 임신돈에 급여하였을 때 분에서의 악취물질 농도와 미생물 변화를 조사하고, 변비예방 효과를 확인하기 위하여 수행되었다. 1. in vitro 시험결과 페놀은 타피오카, 비트펄프, 밀기울, 루핀종실에서 검출되지 않았으며, p-크레졸은 9.62~52.11 mg/L 범위로 검출되었는데, 루핀종실이 가장 높았고, 타피오카가 가장 낮았다. 또한 타피오카와 비트펄프에서는 인돌과 스카톨이 검출되지 않아 악취저감용 원료사료로 타피오카와 비트펄프가 가장 유용한 것으로 평가되었다. 2. 비트펄프를 기초로 배합한 악취저감사료를 28일간 임신돈에 급여한 후 분을 채취하여 성상을 조사한 결과 대조구에 비하여 발효사료 급여구에서 수분함량이 높고 경도가 낮았으며, 대장균 (E. coli) 수는 적었으며, 유산균 (lactobacilus) 수는 많았다. 3. 돼지의 분 중 p-크레졸과 스카톨 농도를 측정한 결과 대조구에서는 각각 33%와 67%가 검출한계 이하로 조사되었으나, 발효사료 구에서는 각각 67%와 100% 검출한계 이하로서 조사되어 발효사료를 섭취한 돼지의 분에서 악취가 감소될 수 있었다. 4. 따라서 임신돈에 청보리사일리지가 첨가된 발효사료를 급여하였을 때 대장의 기능이 개선되어 변비예방과 악취감소의 효과를 기대할 수 있을 것이다.

Keywords

References

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