Correct selection of pigs for fattening Piglets should be selected in the bazaar or on the pig farm for “eight questions and two questionsâ€: look at the fur and ask for lightness and ruddyness; look at the eyes and ask for the presence of God and eyelids; look at the mouth and nose, request The mouth is short and flat, the nostrils are large, and the nose is moist; the fourth is body type, and the length of the back and chest are deep; the fifth is four-hoofed; the four hoofs are required to be healthy and tidy; the sixth is to look at the tail and requires freedom of movement; No dilute dirt; eight to see activities, require freedom of movement, have a strong appetite. Second question: As soon as you ask about the variety, it is best to choose a crossbreed piglet of good quality. When asked about epidemic prevention, do not buy piglets from the affected area and understand what kind of vaccine was injected. Pre-fattening immunization, deworming, gastric lavage and stomach piglets should be injected once to the field (usually pig-raft-porcine erysipelas secondary vaccine). The next day, the worms were dewormed and fed with levamisole or ambroxole tablets at a dose of 25 mg per kilogram of body weight of the pigs to feed into the feed to drive off the internal parasites. The surface of the pig was sprayed with 3% to 5% of trichlorfon solution to drive off the ectoparasites. The fifth day was gastric lavage for 2 consecutive days. On the sixth day, the stomach was sedated with rhubarb soda (2 tablets per 10 kilograms body weight) and fed into the feed three times. Adopt reasonable nutrition and scientific feeding and management measures. During the rearing of finishing pigs, it is best to raise in two stages according to body weight (25 to 60 kg in the pre-fatation period and 60 to 100 kg in the later period), and select the local feed resources according to the nutritional needs of the pigs. With the concentrated premix, the pigs were given a full-priced diet. In the management of pigs: First, do a reasonable grouping, generally 10 to 20 heads per lap is appropriate, to ensure that each pig has a suitable field area (usually 0.4 to 0.8 square meters in the early fattening period, later 0.8 to 1.2 Square meters/head) and keep the weight of pigs in the same lap bar evenly. The second is to do a good job of the "three-point positioning" of the pigs, so that the pigs from the beginning to develop a fixed place defecation, feeding and sleeping habits. The third method is to adopt raw material wet feeding and drinking water alone in the feeding method. Powdered batch materials are prepared by adding water at a ratio of 1:1 to 1:1.5. The fourth is to establish a regular and quantitative feeding system. In order to promote digestion and improve feed utilization and growth rate, daily diets for finisher pigs can be fed in three separate feedings. The daily feed supply per pig can be quantified at 3.5% to 4.5% of the pig's body weight. In addition, the appetite of pigs is generally the highest in the evening, followed by the morning, and the weakest at noon. Therefore, the amount of feed each time during the day can be roughly distributed at 35% in the morning, 25% at noon, and 40% in the evening.
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