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http://dx.doi.org/10.5851/kosfa.2007.27.4.387

Effects of Dietary Nutrient Levels on Growth Performance, Blood Urea Nitrogen, and Meat Quality in Finishing Pigs  

Shin, Seung-Oh (Department of Animal Resource and Science, Dankook University)
Cho, Jin-Ho (Department of Animal Resource and Science, Dankook University)
Kim, Hae-Jin (Department of Animal Resource and Science, Dankook University)
Chen, Ying-Jie (Department of Animal Resource and Science, Dankook University)
Yoo, Jong-Sang (Department of Animal Resource and Science, Dankook University)
Wang, Yuan (Department of Animal Resource and Science, Dankook University)
Huang, Yan (Department of Animal Resource and Science, Dankook University)
Kim, In-Ho (Department of Animal Resource and Science, Dankook University)
Publication Information
Food Science of Animal Resources / v.27, no.4, 2007 , pp. 387-391 More about this Journal
Abstract
This study was conducted to evaluate effects of dietary nutrient levels on growth performance, blood urea nitrogen, and meat quality in finishing pigs. A total of ninety six pigs ($Landrace{\times}Yorkshire{\times}Duroc$) were used in this 66 day study. Dietary treatments included 1) T1 (ME 3,441 kcal/kg, CP 16.30%, Lysine 0.93%), 2) T2 (ME 3,433 kcal/kg, CP 17.00%, Lysine 1.00% and 3) T3 (ME 3,449 kcal/kg, CP 17.00%, Lysine 1.00%). During the overall period, there were no significant differences in ADG (average daily gain), ADFI (average daily feed intake), gain/feed ratio or BUN (blood urea nitrogen) among the treatments (p>0.05). The $b^*$ value of M. longissimus dorsi muscle color significantly increased (p<0.05) with T3 treatment compared to T2 treatment. However, there were no differences in the $L^*\;and\;a^*$ values, pH, M. logissimus dorsi area, drip loss, cooking loss, TBARS and WHC (water holding capacity) for pigs fed the various treatments (p>0.05). The total feed cost per kg of weight gain was not significantly different among the various dietary treatments (p>0.05). In conclusion, these results show no effects of dietary nutrient levels on growth performance and meat quality in finishing pigs, and also suggest that a high nutrient density diet may not be a beneficial feeding strategy for finishing pigs in terms of cost.
Keywords
nutrient levels; growth performance; blood urea nitrogen; meat quality; finishing pigs;
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