The most suitable pulverized grain size of piglet feed

Piglets also called "piglets" newborn piglets, has been growing to about 30 kilograms of pigs, are called piglets. The average grain size of crushed barley was 634 micron, 767 micron, and 623 micron sorghum were fed to piglets respectively.However, in China, the size of the sieve used for processing Suckling pig is generally 1.5 ~ 2.0 mm, and the average particle size is about 0.7 ~ 1.0 mm, which can be further reduced.

For the same formula of piglet feed, the crushing of corn and soybean meal with diameters of 4.5, 3 and 2.5 mm were used to make three kinds of full-price pellet feed.

The results showed that the mixed feed with a diameter of 3mm was first used for grinding and processing. Under the same conditions, the feed meat increased by 10.1% compared with the test group with a diameter of 4.5mm, and by 9.6% compared with the control group with a diameter of 2.5mm.The apparent digestibility of crude protein was 8.1% and 7.9%, respectively, in the test group, compared with that in the 4.5 and 2.5 mm sieve groups.The results of this experiment in China are slightly different from those in other countries, where the feed size of piglets is 600 microns or less.

The reason for the difference: the main reason is that the piglets tested in China have better coarse resistance than those in other countries.China "complete collection of compound feed" in the book, on the pig feed crushing particle size requirements below 1.00 mm.Based on the situation at home and abroad, it is suggested that the crushing grain size of corn and soybean meal should be 0.6 ~ 1.0 mm, not more than 1.5 mm (determined according to the breed of pig).Mesh diameter ratio product crushing geometric average particle size, roughly 2∶1 control.

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