Feed Science and Technology

Effects of Compound Additive with Glucose Oxidase and Selenium Yeast on Growth Performance, Antioxidant Capacity and Meat Quality of Broilers

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  • 1. State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Science, Beijing 100193, China;
    2. Institute of feed control of Beijing, Beijing 100107, China

Received date: 2014-04-14

  Online published: 2014-09-10

Abstract

The aim of this experiment was to study the effects of compound additive with glucose oxidase (GOD) and selenium yeast on growth performance, antioxidant capacity and meat quality of broilers. A total of six thousand 1-day-old Arbor Acres (AA) broilers were randomly allotted into 2 groups with 4 replicates of 750 broilers per replicate. In the control group, the broilers were fed with the corn-soybean basal diet, while in the experimental group, the broilers were fed with basal diet with 0.2% compound additives which contained GOD and selenium yeast. The results showed as follows: 1) the average daily gain (ADG) and average daily feed intake (ADFI) of broilers aged from 1 to 21 days, 22 to 42 days and 1 to 42 days in the experimental group were significantly higher than those in the control group (P<0.05). The ADG in the experimental group was 1.92%, 1.42% and 1.53% higher than that in the control group, while the ADFI in the experimental group was 3.35%, 6.64% and 5.58% higher than that in the control group. The feed to gain ratio (F/G) of broilers aged from 1 to 21 days, 22 to 42 days and 1 to 42 days in the experimental group were 0.70%, 4.46% and 3.85% significantly lower than that in the control group (P<0.05). The mortality in the experimental group was 32.41% lower than that in the control group of broilers aged from 1 to 42 days (P<0.05). Compared with the control group, pH of cercal chyme was significantly lower in the experimental group of broilers at the age of 21 and 42 days (P<0.05). 2) At the age of 21 days, superoxide dismutase (SOD), glutathion peroxidase (GSH-Px) activities and total antioxidant capacity (T-AOC) in serum of broilers in the experimental group were 2.01%, 8.90% and 8.89% significantly higher than those in the control group (P<0.05), while 7.96%, 13.23% and 19.01% significantly higher at the age of 42 days (P<0.05). The serum malonaldehyde (MDA) content in the experimental group was 34.93% significantly lower than that in the control group at the age of 42 days (P<0.05). 3) Compared with the control group, the a value of the muscle color was significantly higher (P<0.05); while the b value was significantly lower (P<0.05) in the experimental group of broiler at the age of 21 and 42 days. In conclusion, the compound additive with GOD and selenium yeast can improve growth performance, antioxidant capacity and meat quality of broilers.

Cite this article

SUN Chunyang, XING Huan, LUAN Sujun, SA Renna, ZHANG Hongfu, DING Meifang . Effects of Compound Additive with Glucose Oxidase and Selenium Yeast on Growth Performance, Antioxidant Capacity and Meat Quality of Broilers[J]. Chinese Journal of Animal Nutrition, 2014 , 26(9) : 2789 -2796 . DOI: 10.3969/j.issn.1006-267x.2014.09.042

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