First, the principle of grouping
Pigs with similar sources, body weight, body condition, temperament, and feed intake were bred in groups to be managed in groups and fed in separate tanks to ensure normal growth and development of pigs. The difference in weight of the same group of pigs should not be too large, and piglets should not exceed 3 - 5 kg, the shelf pig does not exceed 5-10 kg. After grouping, it should be relatively stable. Generally, it should not be arbitrarily changed.
Second, the appropriate density
Generally, each continuous piglet accounted for 0.7 square meters in the fence area, and the finishing pigs each had 1.2 square meters. Each group is suitable for 10-15 heads. In winter, the stocking density can be appropriately increased and the stocking density can be appropriately reduced in summer.
Third, group method
The key to merging groups is to avoid biting each other at the beginning of the gregarious period. According to the biological characteristics of pigs, the following methods can be used:
1 Weakness does not stay strong: the stronger pigs remain in the original circle, and the stronger pigs are called out.
2 Do not dismantle and remove less: keep the pigs less and keep the original circle in place, and merge the number of heads into the pigs with few heads.
3 nights and not together: the same group of pigs are sprayed with the same drug, such as sprinkling semen, so that the smell of each other is not easy to distinguish, gregarious at night.
4 Coherent New Column: The number of pigs in the two groups is the same, the strengths and weaknesses are equal, and the group has the same tune to the new pigsty.
5 After the first-maturity, the two groups of pigs should be kept together in a larger stadium and then grouped together for 3-7 days.
6 Fighting and slicing: When the pigs are hungry, the pigs are dismantled and fed immediately after the group to allow the pigs to sleep and not to invade each other after eating and drinking.
Fourth, 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.
Pigs with similar sources, body weight, body condition, temperament, and feed intake were bred in groups to be managed in groups and fed in separate tanks to ensure normal growth and development of pigs. The difference in weight of the same group of pigs should not be too large, and piglets should not exceed 3 - 5 kg, the shelf pig does not exceed 5-10 kg. After grouping, it should be relatively stable. Generally, it should not be arbitrarily changed.
Second, the appropriate density
Generally, each continuous piglet accounted for 0.7 square meters in the fence area, and the finishing pigs each had 1.2 square meters. Each group is suitable for 10-15 heads. In winter, the stocking density can be appropriately increased and the stocking density can be appropriately reduced in summer.
Third, group method
The key to merging groups is to avoid biting each other at the beginning of the gregarious period. According to the biological characteristics of pigs, the following methods can be used:
1 Weakness does not stay strong: the stronger pigs remain in the original circle, and the stronger pigs are called out.
2 Do not dismantle and remove less: keep the pigs less and keep the original circle in place, and merge the number of heads into the pigs with few heads.
3 nights and not together: the same group of pigs are sprayed with the same drug, such as sprinkling semen, so that the smell of each other is not easy to distinguish, gregarious at night.
4 Coherent New Column: The number of pigs in the two groups is the same, the strengths and weaknesses are equal, and the group has the same tune to the new pigsty.
5 After the first-maturity, the two groups of pigs should be kept together in a larger stadium and then grouped together for 3-7 days.
6 Fighting and slicing: When the pigs are hungry, the pigs are dismantled and fed immediately after the group to allow the pigs to sleep and not to invade each other after eating and drinking.
Fourth, 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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