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Rational grouping and congregation of pigs
Pigs of different origins and weights are raised in a circle and often bite each other to affect the health and weight gain of pigs. Therefore, according to the physiological characteristics of pigs, rational grouping, maintaining a suitable breeding density, and adopting an effective parallel group approach can make full use of the coiling equipment, which is conducive to raising pig-raising efficiency. 1, the principle of grouping. Pigs of similar origin, body condition, temperament, and feed intake were bred in groups to be managed in groups and fed in separate troughs to ensure normal pig growth and development. The difference in weight of the same group of pigs should not be too large, the pigs should not exceed 3 to 5 kg, shelf pigs should not exceed 5 to 10 kg. After grouping, it should be relatively stable. Generally, it should not be arbitrarily changed. 2, suitable density. Generally, each weaned piglet accounts for 0.7 m2 in the pen area and 1.2 m2 for each finishing pig. Each group is suitable for 10 to 15 heads. In winter, the stocking density can be appropriately increased and the stocking density can be appropriately reduced in summer. 3, and group approach. The key to merging groups is to avoid biting each other at the beginning of the gregarious period. According to the biological characteristics of the pig, we should stay weak and not stay strong, keep the weaker pigs in the original circle, and move the stronger pigs out; remove more and do not dismantle, keep the pigs and leave the original circle unmoved, put the head A number of pigs with a small number of heads merged into one group; at night, the pigs do not merge together, and the pigs in the ring group are sprayed with the same medicine, such as alcohol, so that the odors are not distinguishable and are grouped together at night; The two groups of pigs were kept together in a larger stadium and grouped together for 3 to 7 days. The hunger was removed and the pigs were hungered. The pigs were grouped and released immediately after the group was hungry so that the pigs could sleep well after eating and drinking. Infringement. 4, strengthen management. Before the swarm, they should clean the house and strictly disinfect it. In the first few days after the gregarious period, we must strengthen feeding and management, and if we find biting or fighting, we must immediately stop and protect the bitten pigs until they are safe and in peace.
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