1. Guzhen corn: corn has high energy content, low fiber content, good palatability, and is easy to digest. It is an excellent feed used in chicken production. Yellow corn contains more carotene and lutein, which is beneficial to the coloring of egg yolk and skin. The amount of feed can account for 40% to 65% of the diet. Its disadvantages are low protein content, poor quality, and low levels of calcium, phosphorus, and B vitamins.
Wheat: Wheat has higher energy content, less fiber, relatively higher protein content, and amino acid composition is better than other cereal feeds. Barley and oats have lower energy than wheat, and the crusty is hard and difficult to digest. It should be crushed or fed after germination. The common feature of wheat is rich in B vitamins. This kind of feed can account for 10% to 30% of the diet.
Others: Rice and millet contain high levels of crude fiber and should not be fed. After peeling, the broken rice and millet are easy to digest, and the rice size is convenient for chicks to feed. It is a good feed for folk brooding. It can account for 20% to 40% of the diet. Sorghum contains tannic acid, and the amount should not exceed 15%.
2, bran wheat bran: protein, manganese and B vitamins content is more common chicken feed. However, the crude fiber content is high, the energy is low, the volume is large, there is laxative effect, the amount should not be too much, chicks and adult chickens can account for 5% to 15% of the diet, and broilers can account for 10% to 20%.
Rice bran: high fat content, its nutritional characteristics and dosage similar to wheat bran.
Others: Such as sorghum, sorghum and corn bran, etc., due to high fiber content and poor quality, the amount should be less.
Energy feeds also include roots, tubers, melons, and dregs, all of which can be used according to local feeding practices and habits.
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