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Effects of feeding rumen-protected palm oil calcium soaps on carcass and ribeye characteristics in finishing Hanwoo steers (a field study)
Y.I. Kim1, S.M. Lee2, Y.K. Oh3 and W.S. Kwak1*
1Animal Science, School of Life Resource and Environmental Sciences, Konkuk University, Chung-Ju, Chung-Buk, 380-701, Korea; 2Department of Animal Science, Sangju Campus, Kyungpook University, Sangju, Kyungbuk, 42-711, Korea; 3National Institute of Animal Science, RDA, Suwon, 441-706, Korea
 
Abstract

This study was conducted to determine the effect of feeding 1.5% palm oil calcium soaps (POCS) (135 g/head/day) on carcass and ribeye characteristics in finishing Hanwoo steers. Feeding POCS did not affect carcass yield traits such as back fat thickness, ribeye area, yield index, or quality traits such as marbling, meat colour, fat colour, texture, maturity, and quality grade at slaughter (P>0.05). However, feeding POCS decreased yield grade at farm 1 and increased it at farm 2 (P<0.05). Feeding POCS affected ribeye fatty acid composition ( P<0.05), increased ribeye stearic acid by 19% (P<0.005) and n-3 α-linolenic acid by 11% (P<0.05), but did not affect the percentage of palmitic, oleic, or linoleic acids, mono-unsaturated fatty acids (MUFA), poly-unsaturated fatty acids and essential fatty acids or the ratio of saturated fatty acids: unsaturated fatty acids (P>0.05). Feeding POCS did not affect water holding capacity, cooking loss, pH, moisture, crude protein, ether extract or crude ash of ribeye (P>0.05). Furthermore, feeding 1.5% POCS did not affect Hanwoo steer weight gain (P>0.05). In conclusion, feeding 1.5% POCS to finishing Hanwoo steers changed the composition of ribeye fatty acids without deleterious effects on carcass or ribeye characteristics and body weight gain.

Keywords: Palm oil; fatty acid; ribeye; beef cattle; Hanwoo
 
To cite this article: Kim YI, SM Lee, YK Oh and WS Kwak, 2012. Effects of feeding rumen-protected palm oil calcium soaps on carcass and ribeye characteristics in finishing Hanwoo steers (a field study). Res. Opin. Anim. Vet. Sci., 2(10), 529-534.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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