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KMID : 1024620070270010087
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Food Science of Animal Resources
2007 Volume.27 No. 1 p.87 ~ p.94
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Effect of Replacing Antibiotics by Herb Extracts and Digestive Enzymes Containing Vitamin E and Oriental Medicinal Plants Byproduct on Blood Serum Cholesterol and Meat Qualities in the Hog Loin Meat
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Kang Suk-Nam
Kim Jong-Duck
Kim Il-Suk
Jin Sang-Keun
Lee M.
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Abstract
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This study was carried out to know the effect of the oriental medicinal plants byproduct containing vitamin E and 0.1% antibiotics (T1) and the oriental medicinal plants byproduct containing vitamin E and the replacing antibiotics by 0.03% herb extracts (T2) and 0.1% aminolevulinic acid (T3) on production performance of finishing hog and its meat qualities. There were no significant differences in the daily weight gain, feed intake, and feed conversion rate values between all treatment groups. However, the T2 group tends to have a higher daily weight gain (g/day) than the other groups (p>0.05). The T2 group showed lower total-cholesterol and LDL-cholesterol contents (114.71 and 68.09 mg/dl, respectively) than the control in the blood serum (p<0.001), and all the treated groups of oriental medicinal plants byproduct and vitamin E increased HDL-cholesterol and decreased LDL-cholesterol contents in the blood serum. Content of vitamin E in muscles from the group T1, T2 and T3 (2.11, 2.21 and 2.18 mg , respectively) showed higher levels than those of control. The presence of antibiotics (chlortetracycline) in hog loin meat were detected (0.08 ppm) in control sample. However, there was no antibiotic in other treated hog loin meats (T1, T2 and T3, respectively). The thiobarbituric acid reactive substances and volatile basic nitrogen values of the groups T2 (0.06 mg MA and 11.21 mg%, respectively) and T3 (0.05 mg MA and 8.23 mg%, respectively) were significantly (p<0.05) lower than that of control in loin meat. However, there was no significant difference between treated samples (T1, T2 and T3, respectively) and control in cooking loss and drip loss.
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KEYWORD
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Oriental medicinal plants byproduct, vitamin E, herb extracts, aminolevulinic acid, cholesterol, meat guality
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