Yeast and sunflower cake were used to replace fish meal diet and the experiment in the diets with fish meal or not to feed laying hens were designed.The results showed that the group which fed with no-fish meal diet was not significant different (P>0.05) with control in rate of egg laying (67.96% and 65.01%,respectively),average weight of egg (65.83g and 62.28g,respectively),and rate of death (1.69% and (2.1%),respectively),but the result also indicated that significant difference (P<0.05) occurred in avera...
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