How to Feed Lean Pigs

1 To ensure that the content of protein in feed is in line with the growth and development characteristics of pigs, the middle and early period is less than 60 kg, which is mainly the stage of long skeleton and long muscles, and the latter stage is the stage of long fat. According to reports, pigs are about 20 kg, muscle growth rate accounts for 18% of the overall growth rate, fat growth rate is 14% to 17%; about 25 kg, muscle growth rate is 63% to 65%, fat growth rate is 13 %; 90 kg, muscle growth rate dropped to 11% to 12%, fat growth rate has soared to 50%. It can be seen that the pigs are in the early and middle stages of the long lean meat. During this period, the protein content of the pig's diet should be high, it should reach 15% to 16%, and the later period content should be reduced to 12% to 14%. 2 It is necessary to control the digestible energy contained in the feed before and during the medium-term feed to be high, and to control it in the later period so as to limit the growth rate of pigs and increase the lean meat ratio. The composition of the diet during the whole period of feeding, the ratio of fine and coarse material in the early and middle stages is 1:0.5 to 1:1, and 1:2 is appropriate in the later stage. 3 Feeding should be preceded by the “before opening limit”. Pigs should be allowed to feed freely in the early stage. If they are not quantified, the pigs should be as long as possible, and the feed intake should be appropriately limited in the later period. However, during feeding of concentrates, dry powders or wet mixes should be fed. After the pigs are full, they are allowed to drink freely, and they cannot be fed as thin meals as fat-fed pigs. 4 Timely slaughter The timely slaughter period is about 90-110 kg in weight. Because pigs grow to this time, daily gains basically reach a peak. If you continue to feed, the growth rate will slow down, feed consumption will increase, feed remuneration will be low, and the lean meat rate will decline. If the pigs are slaughtered prematurely, the growth and development of the pig is incomplete and there is less meat production. Timely slaughter can reduce feed wastage, improve economic efficiency, but also lean meat, good meat quality. 5 Disease prevention and deworming pay special attention to three points: First, do a good job of sanitation and disinfection; Second, fight the epidemic prevention needle; Third, deworming.

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