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KMID : 1025520070490050639
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Journal of Animal Science and Technology
2007 Volume.49 No. 5 p.639 ~ p.646
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Effect of Dietary Fiber Sources on Chewing Activity in Sheep
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Kim Myeong-Hwa
Lee Sang-Rak
Seo I. J.
Maeng Won-Jai
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Abstract
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To evaluate the effect of fiber sources on chewing activity, five sheep were consecutively fed diets containing 45% of a fiber source selected from 7 tested fiber sources of alfalfa hay cube(AHC), corn cob (CC), corn silage(CS), cotton seed hull(CSH), peanut hull(PHL), rice straw(RS) and sugarcane bagasse (SCB). Number of chew showed significantly higher value in CC(p<0.001) then other sources. RS and CC had highest(p<0.01) rumination times of 352 and 367 min/d, respectively. CC also showed the highest number of chew per kg NDF intake(p<0.01), but rumination time per kg NDF intake showed no difference except CSH(p<0.001). These results suggest that chewing activities were greatly affected by the fiber sources, and therefore it should be accounted in the formulation for ruminant feed.
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KEYWORD
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Fiber sources, Chewing activity, Sheep
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