The use of rapeseed meal in chicken compound feed should be limited according to the content of toxic and harmful substances. Generally, chicks should avoid using rapeseed meal, the dosage of broilers should be below 10%, and the dosage of laying hens and breeders should be around 8%.

2. Pig feed

Generally, the dosage of rapeseed meal without detoxification in the diet should be controlled below 5%, and the dosage of sows should be controlled below 3%. However, the dosage of detoxified rapeseed meal or new "double low" and "three low" varieties can reach 10- 15%, but it may cause fat softening in pigs.

3, ruminant livestock feed

The palatability of rapeseed meal to cattle and sheep is poor. Long-term excessive use will cause goiter, but the impact is not as serious as that of monogastric animals. Generally, the dosage of rapeseed meal for beef cattle and concentrate for dairy cows is less than 5-20%, and 10% rapeseed meal has no adverse effect on the growth, carcass quality, milk yield and milk fat rate of beef cattle.

Extended data

Rapeseed meal (rapeseed cake) is a kind of high-protein feed with great utilization value, which contains protein 35%-40%, digestible energy 10.46- 12.55kj/kg, calcium 0.6 1%, phosphorus 0.95%, iron, copper, manganese and selenium.

When glucosinolates meet glucosinolates or can produce many toxic substances in digestive tract, it will cause goiter, digestive tract, liver and kidney damage in pigs. Erucic acid will hinder the growth of animals; Phytic acid can combine with calcium, magnesium and zinc, affecting the development of the body; Besides bitterness, tannins also hinder protein's digestion. Therefore, rapeseed meal can only be used as feed after detoxification.

Baidu encyclopedia-fermented rapeseed meal

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