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Asian-Australas J Anim Sci > Volume 14(10); 2001 > Article
Asian-Australasian Journal of Animal Sciences 2001;14(10): 1440-1443. doi: https://doi.org/10.5713/ajas.2001.1440
Effects of Phytezyme Supplementation on the Growth Performance and Nutrient Digestibility in Growing Pigs
J. W. Hong, I. H. Kim, O. S. Kwon, S. H. Lee, H. D. Bae, S. J. Kang, U. M. Yang
  Published online October 1, 2001.

Forty eight Duroc횞Yorkshire횞Landrace pigs (15.2 0.3 kg average initial BW) were used conducted to evaluate the effects dietary phytase (Phytezyme, WOOJIN, Co. Ltd) supplementation on the growth performance and nutrient digestibility in growing pigs. There were three pigs per pen and four pens per treatment. Treatments were 1) Con (corn-wheat-SBM), 2) PE0.1 (low-P diet+0.1% Phytezyme), 3) PE0.2 (low-P diet+0.2% Phytezyme), 4) PE0.3 (low-P diet+0.3% Phytezyme). During d 0 to 28, average daily gain was not significantly different among the treatments. Pigs fed PE0.3 diet significantly decreased (p<0.05) their average daily feed intake compared to pigs fed Con diet. Also, gain/feed in pigs fed PE0.1 and PE0.3 diet was improved (p<0.05) compared to pigs fed Con and PE0.2 diet (p<0.05). For d 28 to 56, pigs fed PE0.2 diet grew significantly faster (p<0.05) than pigs fed Con and PE0.1 diet. Gain/feed was greater (p<0.05) for PE0.2 and PE0.3 treatments than for Con. For overall period, average daily gain was increased (p<0.05) by the addition of 0.2% Phytezyme compared with Con. Gain/feed was significantly improved (p<0.05) by supplementation of PE0.3. Pigs fed PE0.2 showed increased DM and N digestibilities compared to pigs fed other treatments. Supplemented diets PE0.2 and PE0.3 improved (p<0.05) the apparent digestibility of Ca and P compared to other treatments. In conclusion, the results obtained from these feeding trials suggest that the Phytezyme supplementation of diets for growing-finishing pigs had improved growth performance and nutrient availability.
Keywords: Phytase;Growth Performance;Digestibility;Mineral;Pigs
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