The rearing density refers to the density of pigs in a pig house and is expressed in the area occupied by each pig. The rearing density directly affects the air sanitation in the pig house. The breeding density is high. The pigs emit more calories, the house has high temperatures, high humidity, dust, microbes and harmful gases increase, and the noise increases. In order to prevent cold and reduce heat, the breeding density can be appropriately increased in winter and the density can be reduced in summer. Breeding density has a great influence on the growth rate of pigs, the density is too large, the pigs are too crowded, the pigs are difficult to sleep, the fighting between them increases, and the weight gain is seriously affected; the density is too low, the utilization rate of the pighouse is reduced, and the economy of pig production is affected. benefit. The following provides a reference to the stocking density of various herds.
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