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http://dx.doi.org/10.5762/KAIS.2019.20.12.437

Effect of Non-Starch Carbohydrase Supplementation on Productivity, Blood Parameters, and Cecal Microorganisms in Broiler Chickens  

Sun, Sang Soo (Division of Animal Science, Chonnam National University)
Park, Cheol Ju (Division of Animal Science, Chonnam National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.12, 2019 , pp. 437-443 More about this Journal
Abstract
This study examined the productivity, blood characteristics, and cecal microorganisms with the addition of mixed enzymes in broiler chickens. Three hundred chickens (Ross 308) were assigned randomly to five treatment groups (control, 0.5 MXG, 1.0 MXG, 2.0 MXG, and 1.0 G) with three replications. Based on the results, the weight, feed intake, feed efficiency, and daily gain increased slightly by the treatment assignment. Carcass, stomach, and heart weights increased slightly in all treatment groups compared to the control. On the other hand, liver weight was significantly low by enzyme addition compared to the control group (p<0.05). The total number of appendix bacteria decreased significantly in all treatment groups compared to the control group (p<0.05). The total protein, blood urea nitrogen (BUN), and glucose level did not differ after treatment. On the other hand, the IgG level was significantly higher in the 1.0 MXG and 2.0 MXG groups than in the control group (p<0.05). In conclusion, the addition of a mixed enzyme (MXG) will improve the feed efficiency and IgG, as well as reduce the liver weight and total bacteria in broiler chickens.
Keywords
Mannanase; Xylanase; Glucanase; Chicken; Productivity;
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