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KMID : 1025520110530020113
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Journal of Animal Science and Technology
2011 Volume.53 No. 2 p.113 ~ p.118
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Effects of Enzyme Complex Supplementation on Growth Performance, Nutrient Digestibility, Blood Profiles and Economic Feed Cost in Growing Pigs
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Hong Seong-Min
Jang Hae-Dong
Kim Hyo-Jin
Yoo Jong-Sang
Lee Je-Hyun
Kim In-Ho
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Abstract
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This study was conducted to evaluate effects of enzyme complex on growth performance, nutrient digestibility, blood profiles and feed cost in growing pigs. Ninety-six pigs [(Landrace Yorkshire) Duroc, kg average initial body weight] were used in 42d growth assay. Dietary treatments included:1) HC (high energy and nutrient density diet), 2) CON (control, basal diet), 3) CE1 (CON + 0.05% enzyme complex) and 4) CE2 (CON + 0.1% enzyme complex). Four pigs were allotted per pen with six replicate pens per treatment by completely randomized design. The ADG was higher in CE1 and CE2 treatments than CON treatment (P<0.05). The ADFI was linearly increased by CE treatments compared to HC treatment. The CE1 treatment had highest DM, N and GE digestibility (P<0.05). Digestibility of DM, N and GE were quadratic enhanced by enzyme complex level. No differences were found among treatments for creatinine and BUN. The enzyme complex treatments (CE1 and CE2) showed lower feed cost/body weight gain than HC treatment. In conclusion, enzyme complex can improve ADG and reduce feed cost/body weight gain when low energy diet was used. Furthermore adding 0.05% enzyme complex had highest nutrient digestibility.
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KEYWORD
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Enzyme complex, Growth performance, Nutrient digestibility, Economic feed cost, Growing pigs
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