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http://dx.doi.org/10.5187/JAST.2009.51.3.241

Effects of Dietary Replacement of Rice Straw with Fermented Spent Mushroom (Flammuliua velutipes) Compost on Availability of Feeds in Sheep, and Growth Performance of Hanwoo Steers  

Shinekhuu, Jugdder (Department of Animals Science, College of Agricultural, Life and Environmental Science, Chungbuk National University)
Ji, Byung-Ju (Department of Animals Science, College of Agricultural, Life and Environmental Science, Chungbuk National University)
Jin, Guang-Lin (Department of Animals Science, College of Agricultural, Life and Environmental Science, Chungbuk National University)
Choi, Seong-Ho (Department of Animals Science, College of Agricultural, Life and Environmental Science, Chungbuk National University)
Song, Man-Kang (Department of Animals Science, College of Agricultural, Life and Environmental Science, Chungbuk National University)
Publication Information
Journal of Animal Science and Technology / v.51, no.3, 2009 , pp. 241-248 More about this Journal
Abstract
Metabolic trial with 3 fistulated sheep was conducted in a 3 $\times$ 3 Latin square design and feeding trial with 24 Hanwoo steers in 12 month of age for 20 months was conducted to investigate the replacing effect of rice straw with fermented spent mushroom (Flammuliua velutipes) compost (FSMC) on fermentation characteristics, ruminal effective degradabilty and whole tract digestibility of nutrients in sheep, and to examine the growth performance of Hanwoo steers. Experimental diets for the metabolic trial with sheep were commercial concentrates and rice straw in the ratio of 70 : 30 (CON, DM basis). Same concentrate with 30% FSMC and 70% rice straw (FSMC-30) and 60% FSMC and 40% rice straw(FSMC-60). Diets for Hanwoo steers in three treatments were same as for metabolic trial in replacing ratio of rice straw with FSMC. pH of rumen fluid in sheep was not affected by FSMC. Ammonia-N content in the rumen fluid was highest in the sheep fed FSMC-60 at 3h (P<0.045). The CON diet increased (P<0.001) acetate proportion at 1h and 3h post feeding compared to FSMC-60 diet while propionate proportion was highest in the sheep fed FSMC-60 diet for all the sampling times (P<0.027~P<0.002). Increased proportion of butyrate was observed at 30 min prior to feeding (P<0.031), and 1h (P<0.011) and 6h(P<0.039) post feeding from sheep fed FSMC-30 diet compared to those from sheep fed other diets. Effective degradability in the rumen was not influenced by experimental diets. Whole tract digestibility of crude protein (P<0.031) and neutral detergent fiber (P<0.006) tended to be increased in the sheep fed CON diet while corresponding values were lowest in the sheep fed FSMC-60 diet. Total body weight gain of Hanwoo steers for 8 months was not different among diets, thus daily body gain was not influenced by the experimental diets.
Keywords
Fermented spent mushroom compost; Degradation; Digestibility; Sheep; Hanwoo steer;
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Times Cited By KSCI : 8  (Citation Analysis)
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