1. Several situations in which pigs need refueling 1 Different stages of development: from suckling piglets to weaned piglets, from weaned pigs to growing pigs, from growing pigs to finishing pigs; 2 different types of materials: from pellets to powder, from Wet materials are replaced with raw dry materials, etc.; 3 are changed to feeds from different manufacturers; 4 changes in the number of feedings: for example, from 4 to 6 feedings of piglets to 3 to 4 feedings on finishing pigs. 5 When the feed is self-aligned, the main monomer material changes.
2. The specific method of feed replacement takes 1/4 of the old material from the top of the new material every day, and is replaced in 4 days. The method is: the first day of the new material l/4, the old material 3/4, the next day the new material 1/2, the old material 1/2, the third day of the new material 3/4, the old material l/4, the first All four days are new materials.
When mixing, the proportion of energy feed (such as corn) in the feed gradually increases as the pig grows, and the proportion of protein feed (such as bean cake) gradually decreases. For example, if the proportion of corn in the feed formula is increased from 60% to 70%, the transition will be 4 to 5 days, and the daily increase will be 2.0% to 2.5%; the soybean cake will be reduced from 20% to 15%, and it should be reduced by 1% per day. Others The use of wheat bran, fine clams and other raw materials to adjust, using concentrates from the distribution of full-priced material is also true.
When using the transition method for refueling, always pay attention to the pig's feeding and defecation conditions. It is best to feed only 7 or 8 points per meal. In addition, it is also necessary to carefully raise and reduce other stress.
2. The specific method of feed replacement takes 1/4 of the old material from the top of the new material every day, and is replaced in 4 days. The method is: the first day of the new material l/4, the old material 3/4, the next day the new material 1/2, the old material 1/2, the third day of the new material 3/4, the old material l/4, the first All four days are new materials.
When mixing, the proportion of energy feed (such as corn) in the feed gradually increases as the pig grows, and the proportion of protein feed (such as bean cake) gradually decreases. For example, if the proportion of corn in the feed formula is increased from 60% to 70%, the transition will be 4 to 5 days, and the daily increase will be 2.0% to 2.5%; the soybean cake will be reduced from 20% to 15%, and it should be reduced by 1% per day. Others The use of wheat bran, fine clams and other raw materials to adjust, using concentrates from the distribution of full-priced material is also true.
When using the transition method for refueling, always pay attention to the pig's feeding and defecation conditions. It is best to feed only 7 or 8 points per meal. In addition, it is also necessary to carefully raise and reduce other stress.
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