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KMID : 1024620050250040449
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Food Science of Animal Resources
2005 Volume.25 No. 4 p.449 ~ p.457
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Effect of Feeding Rye Silage on Growth Performance, Blood and Carcass Characteristics in Finishing Pigs
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Cho Jin-Ho
Han Young-Geun
Min Bung-Jun
Chen Ying-Jie
Kim H.-J.
Yoo Jong-Sang
Kim Jung-Woo
Kim In-Ho
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Abstract
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This study was conducted to evaluate the effects of feeding rye silage on growth performance, blood and carcass characteristics in finishing pigs. The total of eighteen pigs were used in a 28-days assay. Dietary treatments included 1) CON(commercial diet ME 3,350 kcal/kg and crude fiber ), 2) T1(ME 3,294kcal/kg and crude fiber diet with rye silage ) and 3) T2(ME 3,237kcal/kg and crude fiber with rye silage ). In growth performance, total feed intake, basal feed intake and average daily feed intake were significantly higher in T1 and T2 treatments than CON treatment(P<0.05). Cortisol concentration in blood of pigs fed rye silage was significantly decreased compare to pigs fed CON diet(p<0.05). In meat quality characteristics, the hunter’s value and marbling of pork were the highest in T2 treatment among treatments (P<0.05). Fatty acid composition in lean meat, the composition of palmitic and arachidic acid were significantly Higher in CON than others(P<0.05), also, palmitoleic acid was highest in T2 treatment among treatments(P<0.05). In fats those, palmitic and arachidic acid were the highest in CON treatment than those of other treatments(P<0.05). Digestibility of dry matter and nitrogen in pigs fed T1 and T2 diets were greater than that of pigs fed CON diet(p<0.05). Propionic acid concentration of fecal was the highest in T1 treatment among treatments(P<0.05). In conclusion, feed intake, the hunter’s value, meat color of sensory evaluation and marbling of pork were affected by rye silage feeding.
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KEYWORD
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rye silage, growth performance, fatty acid, finishing pigs
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