Nowadays, broiler chickens mostly use sawdust, rice hulls, etc. as litter, litter often appear wet mildew, bacteria and other phenomena, causing broiler intestinal diseases, affecting the growth and development of broilers. However, the plastic film can be used to reduce litter contamination and clean the environment of the house. The plastic film in the broiler house can be replaced, and the dunnage can be changed according to ventilation conditions, stocking density and age. Normally, the broiler can be changed twice at 3 weeks old and 5 weeks old. This method can isolate the litter contaminated with faeces from the chicken body. The litter under the plastic film can kill pathogenic microorganisms through fermentation, which can prevent the occurrence of disease and increase the slaughter survival rate by about 6%.
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