Effect of Feeding Rye Silage on Growth Performance, Blood and Carcass Characteristics in Finishing Pigs

호맥 사일리지의 급여가 비육돈의 생산성, 혈액 성상 및 도체 특성에 미치는 효과

  • Cho Jin-Ho (Department of Animal Resource & Sciences, Dankook University) ;
  • Han Young-Geun (National Agriculatural Co-operative Federation) ;
  • Min Byoung-Joon (Department of Animal Resource & Sciences, Dankook University) ;
  • Chen Ying-Jie (Department of Animal Resource & Sciences, Dankook University) ;
  • Kim Hea-Jin (Department of Animal Resource & Sciences, Dankook University) ;
  • Yoo Jong-Sang (Department of Animal Resource & Sciences, Dankook University) ;
  • Kim Jung-Woo (Department of Animal Resource & Sciences, Dankook University) ;
  • Kim In-Ho (Department of Animal Resource & Sciences, Dankook University)
  • 조진호 (단국대학교 동물자원과학과) ;
  • 한영근 (농협중앙회) ;
  • 민병준 (단국대학교 동물자원과학과) ;
  • 진영걸 (단국대학교 동물자원과학과) ;
  • 김해진 (단국대학교 동물자원과학과) ;
  • 유종상 (단국대학교 동물자원과학과) ;
  • 김정우 (단국대학교 동물자원과학과) ;
  • 김인호 (단국대학교 동물자원과학과)
  • Published : 2005.12.01

Abstract

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 $(Landrace{\times}Yorkshire{\times}Duroc)$ pigs $(94.03\pm0.71kg)$ were used in a 28-days assay. Dietary treatments included 1) CON(commercial diet ME 3,350 kcal/kg and crude fiber $2.84\%$), 2) T1(ME 3,294kcal/kg and crude fiber $2.99\%$ diet with rye silage $1.66\%$) and 3) T2(ME 3,237kcal/kg and crude fiber $3.15\%$ with rye silage $3.32\%$). 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 $L^*$ 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 $L^*$ value, meat color of sensory evaluation and marbling of pork were affected by $3.32\%$ rye silage feeding.

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