Pig feeding science

Scientific pig raising promotes raw and feed, with less nutrient loss in raw and feed, which not only improves labor efficiency but also reduces pig production costs. There are many methods for feeding and feeding, and the feed can be prepared into dry powder, wet mix, water and granular materials. The pellets are machined into pellets of different sizes by mixing feed pellets for feed or compound feed. It is simple and convenient to feed pigs with pellets, and it is also possible to avoid food selection by pigs to ensure the full price of feed nutrition and the palatability of feed. The specific method is as follows:

One is limited feeding. The control of the pig's ration is given at a certain number of fractions and feeds. It is better to carry out limited-feeding of empty sows and pregnant sows, boars and growing-finishing pigs (later), but attention should be paid to regular, quantitative and qualitative.

The timing refers to a fixed daily feeding time. Generally, the piglets are fed 4 to 6 times a day, the lactating sows 3 to 4 times, and the other pigs 2 to 3 times; the fixed food refers to the amount of fixed daily feed each time. Quantity should be stable, can not be less, more often, less often; the quality of pig feed should be strict quality requirements, diligent in the inspection, to ensure that the feed is hygienic, non-toxic, stable quality, can not be fed rotten and degenerate feed. The mix of pig feed should not change too much and should be increased or decreased gradually.

The second is unlimited feeding. It means that pigs are allowed to feed freely. Generally, one week or several days of compound feed is fed into an automatic feeding tank to allow pigs to feed freely and without restriction so as to meet the nutritional needs of the pig. Usually, piglets, growing-finishing pigs (pre-stage) and lactating sows are fed an unlimited amount of feed to fully exploit their growth and production potential. It can not only increase the pig's weight gain rate or milk yield, but also reduce the pig production cost.

COG 6D

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