(1) The foxes, esophagus and trachea can be used to feed fox, accounting for 25% of animal feed. The glands should be removed during the breeding period. (2) Animal blood is rich in inorganic salts, fats, and high protein, but it has a laxative effect. Fox fed with blood can account for 10% of animal feed. Blood can be directly fed, and Chen blood should be cooked. (3) The fish head and fish skeleton are the leftovers of the aquatic product processing factory. They can be used to feed fox, and the amount can account for 30% of the animal feed. (4) The head and legs of cattle and sheep are poor in nutritional value, mainly consisting of bones, and the amount in the diet can account for 20% of the animal feed, and should be used together with fresh fish or fish meal and other full-priced feeds. (5) Aquatic products such as river otters and shrimps can also be used to feed foxes, and the amount can account for 20% of animal feed. The prawn should be fed with thiamine enzyme, because it contains gelatin protein, it is difficult to digest, and it is washed with warm water and minced. (6) Dried fish used to feed fox can account for 70% of animal feed and should be soaked in water before use. Salt dried fish should also be changed 2-3 times, remove excess salt, so as not to salt poisoning. (7) Liver slag contains high protein content, which is generally above 60%. Due to its non-digestibility and absorption, it accounts for 25% of animal feed. (8) Blood meal can be used to feed fox. The dosage accounts for 20%-25% of the animal feed. Overdose is prone to indigestion or diarrhea. (9) Silkworm cocoons and silkworm cocoons can feed foxes. The dosage accounts for 20%-30% of the animal feed, and the amount used during the breeding period is a little less, and the breeding period and winter hair growth period can be a little more. (l0) Feather meal contains up to 80% protein, but it is mainly keratin protein and is not easily digestible. It is generally used as a feed additive in fox breeding and accounts for 1%-2% of animal feed.
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