Analysis of Three Pig Feeding Methods

(I) Clinker dilute feeding method. The so-called clinker dilute feeding means that after the feed is cooked, the water is used to feed porridge-like pigs, which is often called dilute clinker feeding method. This method of feeding is still common in rural areas. Its advantages lie in that the crude fiber can be softened after the feed is cooked, and the feed volume can be reduced. To a certain extent, the digestibility of the roughage can be increased, the feed intake of pigs can be increased, and the bacteria and parasitic eggs can be killed. . However, this feeding method is unscientific. why? Because in addition to a very small amount of feed, most of the feed after cooking, the nutritional value is reduced. Feeds such as corn, barley, wheat bran, and rice bran are generally reduced in nutritional value by about 10% after cooking, and in particular, many vitamins are destroyed. After the green feed is cooked, if it is handled improperly, it will cause feed poisoning (ie, nitrite poisoning). Feed cooking also requires burning grass or fuel, affecting the origin of roughage, and is not conducive to the development of pig raising. Feed cooking also requires equipment such as cooking rooms, pans, and stoves, which in turn increases the cost of raising pigs. In addition, due to the fact that the feed is cooked, it tends to be deteriorated, and it is necessary to follow the cooking and feeding, resulting in labor costs and low work efficiency.
(b) Raw material wet feeding method. At present, many pig raising specialists in the countryside have adopted the raw material wet feeding method. This method is simpler and more scientific than the clinker sparing method. Before feeding, as long as the crushed concentrates, coarse materials and other feeds, according to the provisions of the ratio and the total amount required, with chopped and pulped green feed and water (the ratio of the general material and water is 1 : 0.8 to 1, in the hand squeezed mix can be dripping water is appropriate), raw and uniform, you can feed the pig. Liang Lianglong, a pig breeder specializing in breeding pigs in Lianghu Village, Dongping County, Dongping County, used this method of feeding. He explained to the author: “Change the cooked feed to raw feed and it works well. It not only saves firewood, labor, and equipment. Reduce pig-raising costs."
(c) Raw material dry feeding method. The raw material wet feeding method is much better than the clinker dilute feeding method, but the raw material wet feeding method also has some disadvantages, mainly that the feed wet is not suitable for storage, and still needs to be adjusted and fed. In the cold winter, it is easy to freeze, and it is still difficult to use large-scale pig farmers (fields) with a certain scale, and it cannot further improve labor efficiency. Therefore, under the current rapid development of the pig industry, some large pig producers (fields) have adopted a dry feed method based on the raw material feed. It is easier and more scientific to feed raw pigs than to feed raw pigs. The crushed fine and coarse materials are mixed evenly and then put into the automatic food tank. The pigs can freely feed and can feed once a day. There is a separate water tank and free drinking water. Therefore, in order to feed pigs in this way, the pig farmers should not only feed them once a day, but also feed some green feed and clean the pens. This can greatly reduce labor intensity and increase labor productivity. Secondly, this automatic raw-sludge feeding pig method can better approximate the nutritional needs of pigs. They can freely feed without artificial influence, and thus can increase daily weight gain and promote pig growth and development.
In summary, the author proposes that pig farmers should use the most scientifically reasonable feeding methods to obtain better economic benefits for pigs if the conditions permit. (Zheng Yanping)

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