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Soil method to pay attention to pigs
Feeding pigs with raw materials can not only reduce feed consumption, increase feed remuneration, increase pig feed intake, but also save manpower, material resources, and financial resources. However, raw materials fed to pigs must pay attention to the method of feeding, so as to avoid unnecessary losses. Feeding and feeding the speed of choice. The feeds that can be used for raw feeding are mainly the seeds of grasses, such as corn, wheat, rice, etc., as well as by-products such as rice bran and wheat bran. Because the above-mentioned feed was cooked and nutrients were lost more than 13%, the effect of feeding after cooking was equivalent to only 87% of the raw feed. In addition, the green feed should also be fed, because when the green feed is cooked, most of the protein and vitamins will be destroyed. Seeds of leguminous plants such as soybeans and by-products from their processing such as bean cakes, peanut cakes, and bean dregs contain antitrypsin, which prevents the breakdown of legume protein by trypsin in pigs. Therefore, these feeds cannot be fed on their own and must be treated with high temperatures before they can be fed to pigs. Health and feeding methods should be emphasized. The raw feed can be divided into wet feed and dry feed. The ratio of water to feed should not exceed 2.5:1 (the most suitable ratio should be 1:1). Otherwise, due to excessive water content. Will reduce the secretion of digestive juice, reduce the activity of digestive enzymes, affect the digestion and absorption of feed. It is advisable to stir the feed so that the water droplets can just be squeezed out. Dry feeding means feeding directly without powder in the form of powder, and then feeding the pig to drink. The benefits of dry feeding are: First, the feed is not easy to degenerate, with a single material can be used for a few days, saving manpower. The second is to facilitate the preparation of compound feed. Raw materials should be disinfected. When raw materials are fed to pigs, it is important to wash the raw materials and sterilize them so as not to infect the pigs with parasitic diseases. The disinfection method can be soaked in lime water or potassium permanganate solution. Rapeseed cakes, cottonseed cakes, fresh cassava and cultivated wheat, which contain certain toxins, must generally be crushed, soaked, fermented, or silaged. The toxins must be removed before they are fed. Raw material smashing should be suitable. Lai oh crushed granule diameter for good palatability and high feed intake. If the particle diameter is less than 1 mm, pigs tend to stick their mouths when eating, affecting palatability, and can easily cause gastric ulcers; if the particle diameter is more than 2 mm, the feed is rough and the palatability is poor, and pigs are reluctant to feed. Fine feed and green feed should be fed separately. The concentrate is rich in nutrients, small in size, with less crude fiber, good palatability, and easy to digest, so it should be fed first. If the fine green material is mixed and fed to pigs, the digestibility and absorption rate of the fine material will be reduced due to the large volume and moisture content of the green material. Raw material dosage should be suitable. Feeding pigs with raw material, the amount of feed will vary according to the pig's different growth stages and production performance. Piglets and finishing pigs are allowed to eat freely. Breeding pigs must be supplied in appropriate amounts so as not to eat too much, causing fat deposition and affecting reproductive performance. Normally, boars should be fed at a weight of 2 kg to 2.5 kg during the non-breeding period, 3 kg to 3.5 kg during the breeding period, and 5 kg to 6 kg during the lactation period. Supply enough diversion. Pigs that feed dry materials must supply enough water, especially lactating sows and weaned piglets, and they must not be deprived of water. Otherwise, they will affect the sow's milk secretion and the normal development of piglets. The water quality should be clean and the water temperature should be kept cool in winter and cool in summer. Change gradually when feeding raw materials. When clinker is fed to the raw meal, there must be a transition period. One third of the clinker can be fed to the raw material first, and it can be changed to feed raw material within 3 days to 5 days. Otherwise, the feed intake and weight gain of the pig will be affected. The amount of feed should be controlled a few days after the raw meal is fed to prevent the pig from indigestion due to overfeeding.