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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국축산학회(구 한국동물자원과학회) 한국축산학회지 한국축산학회지 제50권 제5호
발행연도
2008.1
수록면
695 - 704 (10page)

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This study was conducted to investigate effects of dietary crude protein(CP) level and supplementation of conjugated linoleic acid(CLA) on growth performances and meat quality parameters in finishing pigs. The experiment was designed using protein levels(11.3%, 16.0%) and CLA levels(0%, 2.5%) according to 2×2 factorial design. A total of forty-eight pigs [(Landrace×Yorkshire)×Duroc] with an average initial weight of 79±1kg were allotted to one of four dietary treatments. Each treatment had four replications of three pigs per replicate. Final body weight(P<0.05) and average daily gain(P<0.01) were lower in 11.3% CP treatments than in 16.0% CP treatments, while feed/gain was high(P<0.01) in 11.3% CP treatments compared with 16.0% CP treatments. Carcass weight was lighter in 11.3% CP treatments(P<0.001) and CLA 2.5% treatments(P<0.01) than in 16.0% CP and CLA 0% treatments, respectively. A significant interaction between CP and CLA on carcass weight was observed(P<0.01), where supplementation of 2.5% CLA to finishing diets decreased carcass weight in 16.0% CP treatments, while no difference was found in 11.3% CP treatments. Backfat thickness was thinner in 11.3% CP treatments and CLA 2.5% treatments than in 16.0% CP and CLA 0% treatments, respectively(P<0.05). A significant interaction between CP and CLA on backfat thickness was observed(P<0.001), where supplementation of 2.5% CLA to finishing diets decreased backfat thickness in 16.0% CP treatments, while no difference was found in 11.3% CP treatments. Marbling score and intramuscular fat contents were higher in 11.3% CP treatments than in 16.0% CP treatments(P<0.01). In conclusion, feeding of protein-deficient diets in finishing pigs could produce favorable pork with high marbling score and thinner backfat. On the other hand, supplementation of CLA was considered to decrease backfat thickness when diets with optimal level of crude protein were fed to finishing pigs.
#Pig #Crude protein #CLA #Growth performance #Marbling score #Intramuscular fat

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참고문헌 (22)

참고문헌 신청
AOAC / 1995 / Official method of analysis / Association of Official Analytical Chemist, Washington. DC. google schola Blanchard, P. J. / 1999 / The influence of rate of lean and subcutaneous fat tissue development on pork eating quality / Anim. Sci 68 : 477 ~ 485 google schola Brown, J. M / 2003 / Conjugated linoleic acid in humans: Regulation of adiposity and insulin sensitivity / J. Nutr 133 : 3041 ~ 3046 google schola Castell, A. G. / 1994 / Performance, carcass and pork characteristics of castrates and gilts self-fed diets differing in protein content and lysine: energy ratio / Can. J. An google schola Cisneros, F. / 1996 / The influence of short-term feeding of amino acid-deficient diets and high dietary leucine levels on the intra- muscular fat content of pig muscle / Ani google schola

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