Different pigs should be fed different materials

In the pig production process, pigs should be reasonably fed according to the different conditions of the pigs. Different pigs should be fed different materials and be flexible in order to reduce the cost of feeding and obtain the desired economic benefits.

For piglets weaned from 20 kg to 25 kg in weight, due to their poor digestion, they are unable to fully digest and absorb large amounts of roughage. They are in need of large amounts of nutrients for growth and development, and if they are given a large amount of roughage, they cannot absorb enough. Nutrients, while affecting pig growth and development. If the pig's growth and development are affected, it will not be easy for the feed to be fed in the future. It will not be easy or even long enough to become a so-called "stuck pig." Therefore, for pigs 20 kg to 25 kg, rough feed should be reduced. "Pigs are partial" is the reason. Therefore, after the weaning of the pigs, the protein in the feed should account for more than 18%, and every day feed 0.5 kg of green and blue succulent feed. The piglet was given a swine fever vaccine immediately after weaning.

For shelf-fed pigs weighing 25 kg to 50 kg, because they are well developed and have a good digestive capacity, they can fully digest and absorb large quantities of roughage. If good feed is fed at this stage, it is not always easy to grow shelves. Not a big pig. Therefore, for shelf pigs, roughage can be fed in large quantities.

For fattened pigs over 50 kilograms, because the shelf has grown, a large amount of fat and long meat are deposited in the body. In this case, the roughage should be fed less, and the heavy material rich in carbohydrates (such as corn) and proteins (such as bean cake) should be used. . It can also be used in combination with traditional Chinese medicine “sophora flavescens” in its feed and mix well and feed (16 grams per head per day). It is also possible to add 5% pine needle powder to the fattening pig diet so that the weight gain of the fattened pigs is particularly significant (increased daily weight gain by 23%), which can promote fattening and early bird fattening.

For empty sows, light fetuses and heavy sows, on the one hand, they must have enough appetite to make them feel full, and on the other hand they must keep them from becoming obese so as to affect the reproductive function. Therefore, it is also possible to make heavy use of roughage for sow raising. However, for lactating sows, because of the large amount of milk to be secreted and the raising of the sow, the roughage should not be fed too much.

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