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Effects of the Mating System on Retail Cut Yield and Meat Quality in Commercial Pigs

비육돈의 교배조합이 부분육 생산수율 및 육질에 미치는 영향

  • Kim, H.S. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Yang, H.S. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Lee, J.I. (Advanced Swine Research Institute, Gyeongnam Province) ;
  • Joo, S.T. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Jeon, J.T. (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Lee, Jung-Gyu (Division of Applied Life Science.Institute of Agriculture and Life Science, Gyeongsang National University)
  • Published : 2007.06.30

Abstract

This study was conducted to investigate the effect of the mating system on the retail cut yield and meat quality in pigs. A total of 210 samples were used to estimate meat productivity and meat quality two blocks of two boarlines Duroc (D) and Berkshire (B) were mated to sows of the sowlines Yorkshire×Landrace (YL) and Berkshire (B). Results showed that YLD (YL♀×D♂) and BD (B♀×D♂) had higher percentages of Boston butt and belly than YLB while it has higher percentages of lean meat yield than YLB (YL♀×B♂). There were no significant differences in crude protein and ash content of pork from different breeds (P>0.05). However, YLB and YLD had higher moisture content in loin and Boston butt than BD (P<0.05). The pH of BD was highest in pork loin and belly (P<0.05). There differences in meat yield, pH and moisture content among the genotypes suggested that pork quality might be affected by the lightness and cooking loss. BD was lowest lightness value (CIE L*) and cooking loss in pork loin among the genotypes (P<0.05). The percentage of saturated palmitic acid (C16:0) in Boston butt (P<0.05) of BD had significant lower, while the percentage of unsaturated palmitoleic (C16:1) and oleic acid (C18:1) had higher in pork loin and belly (P<0.05). Drip and marbling score were found significantly different in genotypes and BD had lower drip and higher marbling score in pork loin and belly (P<0.05). The sensory evaluations indicated that the highest overall acceptability in BD was attained. From the results, BD breed had highest meat quality among crossbred pigs.

Keywords

Mating system;Retail cut yield;Meat quality;Crossbred pigs

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