Based on simulating the preparation of aged diet with excessive aflatoxin,the effects of aged diet on the feed-meat ratio,immune or-gan indexes and blood cell count of chicken,and the recovery effect of Lactobacillus sp.were studied.Thirty-six white Laihang Chicken were ran-domly divided into 4 groups:control group,high-dose aflatoxin group,low-dose aflatoxin group,high-dose aflatoxin+Lactobacillus sp.group,the test period was 28 days.The results showed that compared with the control group,aflatoxin had a significant retardation effect on the daily weight gain of chicken.Compared with the control group,the feed-meat ratio in the low-dose aflatoxin group and high-dose aflatoxin group significantly increased.Adding Lactobacillus sp.had a significant improvement effect on the feed-meat ratio(P＜0.05).Compared with the control group,af-latoxin had a significant retardation effect on the formation of chicken blood cells and the development of immune organs(P＜0.05),resulting in the blocked synthesis of blood cells and delayed development of immune organs,while Lactobacillus sp.had some recovery effects on the for-mation of chicken blood cells and the development of immune organs.
AflatoxinFeed-meat ratioBlood cell countImmune organ indexChickenLactobacillus sp
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