Eight measures to increase the slaughter rate of finishing pigs

To increase the slaughter rate of finishing pigs, that is, to increase the daily weight gain of pigs and shorten the fattening cycle, and to exchange more pork with a small amount of feed. Combined with the practice of raising pigs in recent years, eight feeding and management measures for raising the slaughter rate of finishing pigs were summarized.

Making full use of heterosis: Hybrid pigs obtained from crossbreeding of different breeds have stronger vitality than purebred parents, and they have the advantages of good feeding, fast growth, strong disease resistance, and short fattening cycle during growth and fattening. A large number of experiments have proved that the daily weight gain of the binary crossbred pigs is 15-20% higher than that of the purebred pigs, and that of the three-way crossbred pigs is about 25% higher than that of the purebred pigs. At present, most domestically grown hybrid sows are mated with Duroc, Pietrain or Hampshire boars to obtain the best three-way hybrid combination.

Early iron supplementation: Newly born piglets require 7 mg of iron per day, while only 1 mg of iron can be obtained daily from breast milk. Therefore, piglets are prone to iron deficiency anemia and affect the growth rate. Usually 1 ml of ferritin iron is injected intramuscularly at 2-3 days of piglets.

To provide a suitable temperature and humidity environment: pig house temperature and humidity is too high, will lead to decreased pig feed intake and daily gain; the temperature is too low, the pig heat consumption, feed intake, and low feed remuneration. The temperature of the pig house should be controlled at 20-30°C for piglets, 15-20°C for pigs, and 50-55% for humidity.

Adequate, clean drinking water: The amount of water consumed by pigs varies with body weight, feed, and climatic conditions. Generally, the larger the pig’s weight, the drier the feed, the higher the temperature, and the greater the amount of drinking water. The drinking water supplied must be sufficient and clean.

Adopt “Four Dynamite and One Change” feeding: set the number of times, set the time, set the amount of feeding, and set feeding standards. Change the wet mix to feed the pigs as dry powder. The number of feedings should be determined according to the different growth stages of the pigs. Generally, the piglets are fed 5-6 times daily, 4-5 medium pigs and 3 big pigs; the feeding time should be relatively fixed every day; the amount of feed should be balanced each time Feeding standards are based on the body weight and growth stage of the pig, and different dietary nutrition standards are allocated. It is beneficial to the digestion and absorption of pigs and improvement of feed utilization rate to separate conventional feeds from pigs fed with wet mix into water and feed dry powder.

Reasonable stocking density: The pig's stocking density should be adjusted according to the size of the pig and different seasons. It is generally appropriate to use 0.8-1 square meters per pig. At the age of 3-4 months, each pig should account for 0.6 square meters, occupying 0.8 square meters at 4-6 months of age and 1 square meter at 7-8 months of age. In summer, pigs usually occupy 1.1-1.2 square meters per head and 0.9-1 square meters in winter.

Castration as early as possible: After castration, the piglets can be calm, gentle, and increase appetite and growth. The earlier the age of castration, the smaller the stress on the piglets, and it is usually appropriate to castrate at 20-25 days of age.

Timely prevention of diseases: Pigs for suckling pigs should be injected with vaccines for swine fever, swine erysipelas and swine plague in strict accordance with the hygiene and epidemic prevention procedures to ensure pig health.

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