지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 397 - 404 (8page)
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초록· 키워드
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This study was carried out to investigate the effects of stocking density on eating and ruminating behavior of Hanwoo steers (Bos taurus coreanae) in the finishing period. A total of 30 finishing Hanwoo steers ($631.3{\pm}11.4$ kg, 25 months old) were allocated to one of four stocking density groups comprising 1, 2, 3, and 4 steers per 32 $m^2$ pen [G1 (32 $m^2$), G2 (16 $m^2$), G3 (10.7 $m^2$) and G4 (8 $m^2$), respectively] in triplicate. Eating, rumination behaviors, as well as dry matter intake of steers were measured, and the results were subjected to analysis of variance with stocking density as the main effect. The results of eating behaviors over 48 hours are summarized as follows: Total intake was significantly (p<0.01) higher in G1, G2, and G3 compared to G4. Eating time was not different among the treatments, whereas ruminating time increased in the order of G1 > G2 > G3 > G4 (p<0.01). However, resting time and chewing time (sum of eating and ruminating) were not significantly different among the treatments. Number of boluses and number of total chews were highest in G1 (p<0.01), whereas number of chews per bolus was highest in G3 (p<0.01). Ruminating time per bolus as well as number of boluses per minute was not significantly different among the treatments. Number of defecations was higher in G1 and G2 animals compared to G3 and G4 animals (p<0.01). However, stocking density had no effect on drinking or urination. In conclusion, increasing stocking density (i.e. G4) per pen decreased voluntary intake, ruminating time, and total chewing number in the finishing period of Hanwoo steers. However, care must be taken in discussing stocking density in the present study as the space allowance per animal was satisfactory to meet the current animal welfare regulation in Korea and in Europe, although the beef production system in Korea is more intensive than in Europe.
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참고문헌 (22)
참고문헌 신청
Barnett, J. L. / 2001 / A review of the welfare issues for sows and piglets in relation to housing / Australian Journal of Agricultural Research 52:1~28
Beauchemin, K.A. / 1992 / Effects of ingestive and ruminative mastication on digestion of forage by cattle / Animal Feed Science and Technology 40:41~56
Deswysen, A. G. / 1987 / Effects of monensin on voluntary intake, eating and ruminating behavior and ruminal motility in heifers fed corn silage / Journal of Animal Science 64:827~834
Dougherty, W. J. / 2008 / Phosphorus fertilizer and grazing management effects on phosphorus in runoff from dairy pastures / Journal of Environmental Quality 37:417~428
Færevika, G. / 2007 / Increased group size reduces conflicts and strengthens the preference for familiar group mates after regrouping of weaned dairy calves (Bos taurus) / Applied Animal Behaviour Science 108:215~228
Beauchemin, K.A. / 1992 / Effects of ingestive and ruminative mastication on digestion of forage by cattle / Animal Feed Science and Technology 40:41~56
Deswysen, A. G. / 1987 / Effects of monensin on voluntary intake, eating and ruminating behavior and ruminal motility in heifers fed corn silage / Journal of Animal Science 64:827~834
Dougherty, W. J. / 2008 / Phosphorus fertilizer and grazing management effects on phosphorus in runoff from dairy pastures / Journal of Environmental Quality 37:417~428
Færevika, G. / 2007 / Increased group size reduces conflicts and strengthens the preference for familiar group mates after regrouping of weaned dairy calves (Bos taurus) / Applied Animal Behaviour Science 108:215~228
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