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.

20 to 25 kilograms of weaned piglets are in need of large amounts of nutrients for growth and development, but due to poor digestion, can not make full use of a large amount of roughage, if you give a lot of roughage, it will not absorb enough nutrients, the impact of small Pig growth and development. Once the growth and development are affected, even if the feed is fed later, it is not easy to grow well. It may not be long or become a so-called "stuck pig." Therefore, at this time should be fed less feed and feed more concentrated feed, feed 0.5 kg of fresh green and white feed each day, the protein in the feed should account for more than 18%, and immediately after the piglet weaned, it was injected with swine fever vaccine.

25 to 50 kilograms of shelf-weight pigs have been well developed, have a good digestive capacity, and can make full use of a large amount of roughage. If good feed is still fed at this stage, it is not always easy to grow shelves, and it will not be able to grow into large pigs. . Therefore, shelf pigs can make heavy use of roughage.

More than 50 kilograms of fattened pigs have grown into shelves, and a large number of fats are deposited in the body. In this case, rough feeds should be fed less, and richer carbohydrates (such as corn, etc.) and proteins (such as bean cakes) should be used. It can also be used in combination with sophora flavescens in its feed, and it can be fed well after mixing well and it can feed 16 grams per head per day. It is also possible to add 5% pine needle powder to the finishing pigs' diets to make the weight gain of the pigs particularly significant. The daily gain can be increased by 23%. This will promote fattening and allow pigs to be slaughtered early.

For empty tires and pregnant sows, they must satisfy their appetite on the one hand to make them feel full. On the other hand, it must be ensured that it is not overweight, so as not to affect the reproductive function. Therefore, feeding sows can also make heavy use of roughage. Lactating sows need to feed a lot of milk to feed their piglets. Therefore, it is not advisable to feed the roughage too much.

Complete Greenhouse

A greenhouse(also called hothouse)is a building or complex in which allow for greater control over the growing environment of plants. Depending upon the technical specification of a greenhouse, key factors which may be controlled include temperature, levels of light and shade, irrigation, fertilizer application, and atmospheric humidity. Greenhouse may be used to overcome shortcomings in the growing qualities of a piece of land, such as a short growing season or poor light levels, greenhouses are often used for growing flowers, vegetables, fruits, transplants and seedlings. Greenhouses can be divided into glass greenhouses and plastic greenhouses. Plastics mostly used are polyethylene film and multiwall sheets of polycarbonate material, or PMMA acrylic glass. Commercial glass greenhouse are often high-tech production facilities for vegetables or flowers. The glass greenhouse are filled with equipment such as screening installations, heating, cooling and lighting, and may be automatically controlled by a computer.

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