Processing technology of mink and fox feed

Fur minks and foxes have well-developed canine teeth, short digestive tract, small stomach volume, no cecum, fast speed of food passing through the digestive tract, less amylase secreted by digestive glands and more lipase. Therefore, their feed should be mainly animal feed, especially animal protein feed should account for a large proportion in the diet. Therefore, the feed processing methods of mink and fox have obvious characteristics, which are introduced as follows:

I. selection of materials

Meat feed to remove large chunks of fat, livestock and poultry viscera should remove gallbladder, thyroid, dry animal powder and grain powder to pick out lumps, impurities or foreign bodies, vegetables to remove roots and remove yellow leaves, rotten leaves. All feeds that are spoiled or come from epidemic areas shall not be used.

Second, washing

Meat, fish, livestock and poultry by-products and fruit and vegetable feed should be washed away with clean water before use. Mild loss of fresh or suspicious animal feed must be disinfected with 0.05%-0.1% potassium permanganate for 5 minutes for 10 minutes, and then washed with clean water.

Third, soak

Soak fish meal and bone meal in clean water for 4 hours (change water 2 times for 3 times), light dried fish for 12 hours (change water 2 times for 3 times), alkali dried fish for 1 hour for 2 times a day (2 times a day for 3 times), silkworm pupa powder, blood meal and liver dregs powder, as well as poor quality dried fish, dry stomach, etc., in addition to full soaking, but also for cooking processing.

IV. Cooking

The viscera of poor quality meat, fish and livestock and poultry should be cooked after disinfection with potassium permanganate; freshwater fish should be steamed for 2 hours; pox pork must be treated at high temperature and high pressure after being degreased; grain powder can be fully steamed with water, and each kilogram of cereal powder can be cooked into 1.82kg. It can also be fried into fried noodles and then washed into sticky porridge with boiling water, fresh cow and sheep milk should be heated and sterilized, and milk powder should be diluted with boiled water. Boiled eggs; blood powder should be boiled before feeding and then mixed into the feed; spinach and Chinese cabbage should be soaked and scalded in boiling water after washing to remove the bitter taste. All heat-treated feeds must be cooled before they can be mixed.

5. Weighing

Weigh the weight of the feed according to the variety and quantity of the feed specified in the feed mix list.

6. Crushing

The feed that needs to be processed is ground separately with a meat grinder, and the feed that is too large can be cut into small pieces with a knife and then ground. Rabbit head, rabbit skeleton and other hard feed, should first be crushed with a grinder, and then twisted again.

VII. Modulation

After the previous process, the feed is concentrated in the mixing pool, and then put into dairy, water (or soybean milk) and other supplementary feed according to the regulations. Medicine yeast or feed yeast can be added directly. Baker's yeast or beer yeast should be heated to 70 ℃ ~ 80 ℃ and kept for 10 minutes. It can also be steamed with cereal powder. Bone meal can be directly added to the feed according to the amount, can not be mixed with yeast, VB1 and other feeding; drugs and vitamins should be put into the last, and should be stirred evenly. The consistency of the feed should be appropriate, and the feed of lactating mothers and newly weaned cubs can be a little thinner. Always keep the feed room clean and hygienic, and the processing equipment is often washed and disinfected regularly to prevent bacterial infection from spreading diseases.