The five main points of the scientific feeding of pigs into China. It is full of black hair, short limbs and body fat. It is a native black pig of Chengdu and it is also the best raw material for the fattened pork. It is the Chenghua pig that we are talking about. At present, Chenghua pigs are on the verge of extinction. What are some good ways to raise this pig? Or let it get a good development? The breeding of Chenghua pig has always been a topic of discussion. Combining the experience of some farms, the author shared some scientific feeding techniques for Chenghua pigs for the common people so that such pigs can be better reproduced. The following feeding points are summarized:
First, the feeding of Chenghua pigs should be properly adjusted feeding time, and the best night feeding, generally 4 to 5 in the morning and 8 to 9 in the evening is appropriate, as far as possible to avoid feeding at noon. However, the regulation of feeding time should be gradual, with the gradual adjustment of temperature changes, can not be suddenly changed; piglets transferred to the market or sale, should be arranged in the early and late temperatures are relatively low, when the weather is cool; appropriate adjustment of sow delivery time, Try to avoid littering in the season when the temperature is higher; try not to use too much cold water to make a circle in the sow's farrowing pig house to prevent excessive humidity. The feces in the bed should be wiped with a rag with a disinfectant; The density is reduced by 1/4 to 1/3.
Second, aquaculture pigs can use high-quality green forage grass to feed, not only can reduce feed costs, but also can increase the lean meat of pork, can greatly increase the economic benefits of pigs. The pastures that Chenghua pigs love to eat include: hn-mc Youyou Grain Pestle, hn-mc Youyou Forage, hn-mc Youju Chicory, etc. These pastures can be made into grass powder and added to concentrate feed. In summer and autumn, fresh grasses can be used. In winter and spring season, they are added to the diet in the form of grass powder. The amount of pasture powder accounts for 8% to 15% of the ration. The use of beating or cutting to make silage and fine feed is used: as long as there is surplus in the immediate use of forage grass, it can be beaten or cut to make silage, which can be fed with the fine feed in other seasons where green feed is lacking. The amount of diet added can be determined based on the pig's growth stage and physiological conditions.
Third, the daily feeding of Chenghua pigs must also ensure sufficient drinking water. In summer, pigs are advised to feed thin foods. At the same time, there must be sufficient supply of clean drinking water in the sink. Spraying some water around the pig house regularly can play a certain role in cooling. Do not splash cold water directly onto the pig to reduce the temperature and prevent colds.
Fourth, as for the management of the group, its principle is to feed the pigs in groups with similar sources, body condition, temperament, and feed intake, group management, and feed in separate tanks to ensure normal pig growth and development. The difference in weight of the same group of pigs should not be too large, the pigs should not exceed 3 to 5 kg, shelf pigs should not exceed 5 to 10 kg. After grouping, it should be relatively stable. Generally, it should not be arbitrarily changed. The average density of suitable weaning piglets per pens accounted for 0.7 square meters, and the finishing pigs were 1.2 square meters per head. Each group is suitable for 10 to 15 heads. In winter, the stocking density can be appropriately increased and the stocking density can be appropriately reduced in summer.
Fifth, raising a good Chenghua pig also needs to do a good job of disinfecting the environment. The pig farm roads and environment should be kept clean and hygienic. Every day, the piggery should be cleaned, the troughs, sinks and utensils should be kept clean, the ground should be clean, and high-efficiency, low-toxicity, broad-spectrum disinfectant should be used for regular disinfection.
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