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《Acta Zoonutrimenta Sinica》 2002-04
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STUDIES ON EFFECT OF A.NODOSUM POLYSACCHARIDES ON GROWTH OF BROILERS

ZHU Xin-chan,WANG Bao-wei,ZHANG Ting-rong(Lab of Mol Biology,Department of Veterinary Science,Laiyang Agricultural College,Laiyang 265200,Ching)  
local breed broilers fed diets added with 1.5% A.nodosam polysaccharides were used to study on the effects of the polysaccharides on growth of the broilers.The blood protein,EST and LDH polymorphisms were determined via (SDS)PAGE.The results showed that in test group broilers had intensified expression degrees of protein subunit 90Ku.The esterase-1 locus(Es-1)of esterase fast regions were controlled by multi-alleles,and isozyme bands had weaken staining degree.Their activity lowered by 42.7%.LDH isozyme appeared 3 subunrits,and the isozyme bands appeared strengthen staining degrees.Its activity increased by three times.In addition,there was markedly enhancement in the feed utilization,increased weight and growth of the broilers in test group.It was concluded A.nodosum polysaccharides could directly or indirectly regulate and affect gene express level,and had positive correlation to growth traits.
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