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http://dx.doi.org/10.5187/JAST.2003.45.2.211

Effect of Dietary α-1,6-Galactosidase and β-1,4-Mannanase on Growth Performance and Nutrient Digestibility in Nursery and Growing Pigs  

Kwon, O. S. (Department of Animal Resource & Science, Dankook University)
Kim, I. H. (Department of Animal Resource & Science, Dankook University)
Lee, S. H. (Department of Animal Resource & Science, Dankook University)
Hong, J. W. (Department of Animal Resource & Science, Dankook University)
Kim, J. H. (Agribrands Purina Korea, Inc.)
Moon, T. H. (Easybio System, Inc.)
Lee, J. H. (Easybio System, Inc.)
Publication Information
Journal of Animal Science and Technology / v.45, no.2, 2003 , pp. 211-218 More about this Journal
Abstract
For the Exp. 1, a total of sixty pigs (10.57$\pm$0.30kg average initial body weight) were used in a 15-d growth assay to determine the effect of dietary $\alpha$-1,6-galactosidase and $\beta$-1,4-mannanase on growth performance and nutrient digestibility. Dietary treatments included 1) CON (corn-dried whey-SBM based diet), 2) EC0.1 (CON diet+0.1% enzyme complex of $\alpha$-1,6-galactosidase and $\beta$-1,4-mannanase). Through the entire experimental period, gain/feed of pigs fed EC0.1 diet was higher (0.43 vs 0.52) than that of pigs fed CON diet (P<0.05). Pigs fed EC0.1 diet showed significant (P<0.05) improvement in dry matter (74.82% vs 82.41%) and nitrogen (70.59% vs 77.88%) digestibilities compared to pigs fed CON diet. For the Exp. 2, a total of thirty six pigs (22.30$\pm$0.45kg average initial body weight) were used in a 30-d growth assay to determine the effects of dietary $\alpha$-1,6-galactosidase and $\beta$-1,4-mannanase in low energy diet on growth performance and nutrient digestibility. Dietary treatments included 1) AME (adequate ME diet), 2) AME+EC0.1 (AME diet+0.1% enzyme complex) and LME+EC0.1 (low ME diet + 0.1% enzyme complex). Through the entire experimental period, average daily feed intake of pigs fed enzyme complex supplemented diets was higher than that of pigs fed CON diet (P<0.05). Also, pigs fed AME+EC0.1 diet showed significant (P<0.05) increase in ADFI (1,401g vs 1,733g) compared to pigs fed CON diet. Pigs fed enzyme complex supplemented diet showed significant (P<0.05) improvement in dry matter and nitrogen digestibilities compared to pigs fed CON diet. In conclusion, the results obtained from these feeding trials suggest that the supplementation of $\alpha$-1,6-galactosidase and $\beta$-1,4-mannanase was an effective means for improving growth performance and dry matter and nitrogen digestibilities in nursery and growing pigs.
Keywords
$\alpha$-1,6-Galactosidase; $\beta$-1,4-Mannanase; Growth; Digestibility; Pigs;
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