Breeding techniques of Lulai Black Pig

Lulai black pig, which comes from Laiwu City, Shandong Province, has a strong physique, symmetrical figure, black coat, hard brown hair on the back, straight mouth, medium-sized ears, straight waist, plump buttocks, strong limbs, and likes to exercise. This habit has created its vigorous physique. Let's take a look at the breeding techniques of Lulai black pigs.

Introduction time

During the introduction of the newly-built field, the improved breed farmers should be inspected before the construction of the new field. generally, 1 or 2 sow houses should be built according to the number of introduction, and the introduction can be carried out after isolation, closure and disinfection. The disadvantage is 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 the work, and the advantage is that the benefit can be seen at least half a year in advance, and the introduction should avoid the peak year of pig raising benefit. At this time, there is little room for selection of breeding pigs, and the price is higher. The offspring bred after introduction are likely to enter the next trough. When there are a large number of breeding pigs, they should be carried out in batches in order to increase the intensity of selection and facilitate planned breeding and balanced production as far as possible.

Introduction quantity

The breeding pigs introduced by Lulai black pigs generally require more than 50 kilograms, which should not be too big. Overweight breeding pigs are likely to be leftover pigs picked by others, and affect the immunization program after introduction. In order to renew the blood relationship, we can introduce a small number of boars and sows to achieve the purpose of increasing or renewing the blood relationship. If the new farm is not purchased according to the production scale, it is more appropriate to introduce a total quantity of 1 pound, 5 pounds, 1 pound, 4 boars. Sufficient pedigree and quantity should be considered when introducing boars to prevent sows from having no suitable boars during estrus.

Feed collocation

Lulai black pig is lively and active, and timid, so farmers should keep a quiet, dry and clean breeding environment. Feed mainly with green forage grass, rice bran, wheat bran and so on. The source of green fodder is generally planting forage grass, and farmers can choose chrysanthemum grass, Kusarium grass, etc. when feeding sows, they can use some feed raw materials with poor palatability but low price in the diet, which can not only reduce feed cost, but also do not affect sow intake. Sows fed with appropriate amount of green fodder during pregnancy can increase litter size and weaning survival.

Feeding management

In order to improve the feed reward and reach the standard of commercial pigs as soon as possible, scientific feeding should be carried out. One is to feed 4 meals a day at a fixed time, once every 4 hours from 7 o'clock in the morning, and the other is to ration pigs weighing more than 20 kilograms. Feed according to 4.5% of their body weight, and pigs less than 20 kg according to 3.5% of their body weight. At the same time, to achieve the front and back limit, that is, after 2 months of age, limit its activities and promote its fat gain, in order to ensure a higher meat yield.

In short, in order to make the production of Lulai black pig safe and stable, purebred breeding must be based on high-quality, safe, balanced and nutritious feed, strict disinfection and scientific immune control should be strengthened. create a good and comfortable environment for pigs and carry out scientific and orderly feeding and management in order to maximize the profits of pig farms and have a bright future in pig farming. (contribution: village notes)