The vegetable meal is rich in lysine and trace elements, among which calcium, selenium, iron, magnesium, manganese and zinc are higher than soybean meal, and it is a feed material with high feed value. However, the following points should be noted when adding rapeseed to the feed.
Feeding weaned piglets must limit the amount of rapeseed in the feed. Otherwise, the piglet weight will decrease with the excessive use of rapeseed in the feed, which is mainly due to the increase of fiber content in the feed and the tannins in the vegetable meal. , sinapine and glucosinolates, and the negative effects of weaned piglets on feed palatability.
After the addition of the fragrance, the feed intake of the piglets will increase and the production performance will be improved.
In the growth and fattening stage, the amount of rapeseed meal can be appropriately increased, but the diet must be formulated on the basis of digestible amino acids, because the digestibility of amino acids in rapeseed meal is worse than that of soybean meal. If the diet is prepared on the basis of digestible amino acids, adding 10%-15% of the vegetable meal to the feed will not affect the growth performance of the pig, and the feed intake of the pig will not decrease, and the feed conversion rate and carcass quality will be reduced. There is no significant difference.
Rapeseed can be added appropriately in the breeding pig diet. In general, there is no difference in the reproductive performance of pigs without adding rapeseed meal and adding less than 8% of the vegetable meal in the sow diet, which has no effect on the litter size, that is, it can be propagated in sows and young sows. The vegetable meal is added as a protein feed, but because of the palatability problem, it is recommended not to add too much.
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