Introducing and breeding production technology of Lulu black pig

What are the factors that should be considered when introducing Lulu black pigs? The author speaks in terms of time, weight, and quantity. On the one hand is time. When the new field is introduced, it is necessary to inspect the improved seed farm before setting up the site. Generally, one or two sow houses are built based on the number of introductions. The isolation and disinfection can be used for introduction. Its disadvantages are that it is not conducive to epidemic prevention, or that all kinds of equipment and facilities are not perfect, and it is inconvenient to carry out work; the advantage is to see the benefits at least six months in advance, the introduction should avoid the peak year of pig-raising benefits, when introduced, the selection of breeding pigs is small, and the price is Higher, progeny that breed after introduction are likely to enter the next trough. When there are a large number of introduced pigs, they should be carried out in batches in order to increase the intensity of selection and to facilitate the planned breeding, as far as possible a balanced production. The second is weight. The introduction of breeding pigs generally requires more than 50 kilograms, should not be too large, overweight pigs are likely to pick the rest of the pigs, but also affect the introduction of immunization programs. The third aspect is quantity. To update blood relationship, a small amount of boar sows can be introduced to achieve the purpose of increasing or renewing bloodlines; if the new field is not to be purchased in full by the scale of production, the number of introduced animals should be 1/5 to 1/4 of the total scale of the field. When introducing boars, consider having sufficient pedigrees and numbers to prevent the boars from having a fit when the sows are in heat.

Lule black pigs are lively, timid, scared and frightened. Therefore, farmers need to keep a quiet, dry and clean breeding environment during their rearing. Feeding mainly with green fodder, rice bran, bran and other feeds. The source of green feed is usually planting pasture. Chrysanthemum aggregator and library grass are optional for farmers. When sows are fed with pasture, some feed ingredients with poor palatability but low prices can be used in the diet, which can reduce feed costs. Does not affect sows feeding; sows feeding the right amount of green feed during pregnancy can increase the number of live piglets and the number of weaned animals. . In order to increase feed remuneration and meet the standards of commodity pigs as soon as possible, scientific feeding should be carried out. The first is to schedule regular meals four times a day starting at 7:00 in the morning and feeding once every 4 hours; the second is quantitation and weighing more than 20 kg. The pigs were fed at 4.5% of their body weight, and pigs within 20 kg were fed at 3.5% of their body weight. At the same time, the front-end open limit, that is, after 2 months of age, limits its activities and promotes its longevity, so as to ensure a higher rate of meat production.

In short, in order to make the production of Lulu black pigs safe and stable, it is necessary to rely on purebred breeding, based on high-quality, safe, balanced and nutritious feed, and strengthen strict disinfection and scientific immune control to create good pigs. A comfortable environment and scientific and orderly feeding and management can maximize the profits of the pig farms before they can accomplish much in the pig raising business.

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