1. After weaning piglets are weaned early, because the source of lactic acid is interrupted and gastric acid secretion is still low, its digestive function will be seriously affected. At this point, weaning piglets should be acidified. You can add 1% to 3% citric acid or lactic acid to your pig's drinking water or feed to reduce the pH of the feed to 5. You can also add 0.3% pepsin to the feed to promote digestion.
2. Beating the slurry of green and blue succulent feed with a beater, which is convenient for pigs to feed and chew, but also conducive to the mixing of digestive juice and food, thereby reducing the tension of digestive organs and reducing the energy consumption for digesting feed. Feed utilization rate.
3. Crush the seeds or straws by mechanical crushing to facilitate the feeding and digestion of the pigs and to facilitate the mixing of the digestive juices with the food, thereby reducing the energy consumption in the gastrointestinal digestion process and increasing the feed utilization rate.
4. After the silage green-green feed has been chopped and siled, the feed has the characteristics of acid, fragrant and juicy. Not only is it suitable for palatability, the pigs like to eat, but the contained organic acids can promote the secretion of digestive juice.
5. The saccharified seeds contain more starch and can be partially converted to maltose by saccharification. This not only improves feed palatability, but also facilitates digestion. After saccharification of feed, its sugar content can be increased by 8 to 12 times. The specific approach is: the crushed concentrate is packed in a bucket or pot, thickness 20 to 30 cm, then poured into 2 ~ 2.5 times hot water 80 ~ 90 °C, fully stirred into a paste. In order to prevent the feed temperature from falling rapidly, a 5 cm thick layer of dry material may be sprinkled on the surface of the feed, covered with a wooden lid or plastic film, kept at a temperature of 55-60°C, and saccharified after 3 hours. The storage time is preferably not more than 10 hours. When feeding, the saccharified concentrate is mixed with the green roughage, and the fattening pigs are particularly effective.
6. Fermentation uses the fermentation of microorganisms to soften the texture of crude fiber and improve the palatability of feed. This is a kind of processing modulation method that has long been used in rural areas in China. Take 50 grams of baking soda, sweet melody, sea salt powder, and spicy wolfberry, 3 bags of Liuyi powder, 5 grams of tea, 250 grams of Guanzhong, yams, wolfberry and orange peel, and 500 grams of glucose. Add 5 egg whites, 6 kg of fine rice bran and mix well. Add water to reconcile them until they are tightly clenched. When they loosen their hands (moisture content is about 65%), put them into a container such as a barrel or a cylinder and compactly ferment. The temperature should be controlled at 35-40 °C. After 3 days, when the material is yellow and has a strong liqueur apple aroma, it is a “medicine song seedâ€, open and cool in the cool place to spare. For feeding, 40 parts of roughage powder, 10 parts of wheat bran, 2 parts of bone meal and fish meal, 45 parts of corn, and 1 part of compound feed additives (microelements and vitamins). Each 50 kilograms of ingredients is mixed with 150 grams of "medicine strains", plus 50 kilograms of fresh water, and fermented in a container for 24 hours (the same temperature as the "medicine strain"). When strong rum aroma is produced , you can feed. Feed 4 to 4 times a day, 2 to 3 kilograms each time, and take some fresh green succulent feed after each meal. Pigs fed with this kind of fermented feed, pigs like to eat long, fur light, just 45 to 60 days can be 30 kg of medium-sized pigs to slaughter.
7. The crude fiber feed, such as clams, leaves, and straw powder, which are difficult to digest and have poor taste, may become soft and fragrant after being treated in a bad manner. Pigs like to eat it. The method is: first put the raw materials into the tank or soak in the soft, remove and then dry until the hand grasps the material from the fingers can slowly dripping out of the water on the pot steamed. In order to make the raw material steamed, it is best to start steaming the night before. After the raw material is panned, when the temperature drops to about 35°C, add 7.5 to 10 kg of fresh distillers grains or 250 grams of distiller's yeast to each 50 kg of steamed raw materials, mix well, and put them in the cylinder to seal. In spring, summer, and autumn, it is not possible to warm the interior of winter, and it is advisable to keep the room temperature at 20°C or so. After 7 to 10 days, the feed can become fragrant and delicious.
8. Pellet feed processing of feed into pellets is a trend for the development of compound feeds and an effective way to increase feed utilization. Its outstanding advantages are: to enable pigs to eat feeds with the same composition, to avoid picking fodder; to facilitate transportation, feeding, storage and mechanization; good palatability, short food intake time, can reduce the energy consumption of eating .
9. Use of Feed Additives During the feed formulation process, appropriate amounts of additives are added to the nutritional needs of each growth stage of the pig to balance nutrients in the diet, promote pig growth and prevent disease. Adding amino acids, vitamins, minerals, insecticide-repellent health care drugs and other ingredients in the basic diet of livestock and poultry can not only improve the full price of the diet, but also have a significant effect on reducing disease and improving feed utilization.
10. The rational preparation of dietary pigs is an omnivorous animal. It is difficult to feed the pigs with only one or two feeds, and it is a great waste of feed. Therefore, it is necessary to properly match the feed according to the needs of the pig for a variety of nutrients based on a wide range of feed sources.
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