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《China Poultry》 2014-03
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Effect of Different Feed Additives on Growth Performance,Carcass Quality,Intramuscular Fat and Inosinic Acid in Broilers

WANG Xiaofang;CHANG Wenhuan;ZHANG Shu;ZHENG Aijuan;LIU Guohua;CAI Huiyi;Feed Research Institute of Chinese Academy of Agricultural Sciences;  
This study was to evaluate the effect of different feed additives on growth performance,carcass quality,intramuscular fat and inosinic acid in broilers. 420 one-day-age male Arbor Acres broilers were randomly allocatedinto 7 dietary treatments,including control,3 000 mg/kg nucleotide,100 mg/kg L-carnitine,1 000 mg/kg betaine,10 000 mg/kgglutamine,1 000 mg/kg tea polyphenols,9 mg/kg soybean isoflavone. The results showed that the 6 feed additives did notaffect feed conversion rate of broilers. There was a significant increase of average daily feed intake and average dailygain in L-carnitine and a decrease of average daily feed intake in tea polyphenols compared with control group(P0.05). There was a significant difference in abdominal fat percentage between additive and control group(P0.05),excepting nucleotide and tea polyphenols group. Inosinic acid(IMP)in breast muscle of broilers in groups of nucleotide,betaine,glutamine,tea polyphenols and soybean isoflavone groups were significantly improved by 41.73%,33.42%,29.37%,31.95% and 37.35% than that in control group,respectively(P0.01). Nucleotide,betaine and soybean isoflavone weremore optimal when incresment rate of IMP deposition was regarded.
【Fund】: 国家肉鸡产业技术体系建设专项资金(nycytx-42-G4-03)
【CateGory Index】: S831
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