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Breeding of bulls
The normal growth and development of the bull, and the age of the species, have a direct bearing on the husbandry and management, especially in young age. For breeding bulls, it is required to have a small feed volume, rich nutrition, good palatability, and easy digestion. Should be fed more protein feed and hay, less fed juicy, carbohydrate feed. Succulent feed and green roughage should generally account for less than 60% of the total nutrients in the diet. It should not be too much, especially for bred bulls. The amount of concentrate and the amount of coarse material in the diet should be appropriately increased to avoid the formation of grass. "Influence of species value. In order to improve the semen quality and sexual function of bulls, appropriate amounts of animal feed, such as blood meal, bone meal, and eggs, should be fed. Every winter should be fed 1.5-2.5 kg of wheat or malt buds to supplement vitamin deficiency.