How to efficiently kill rabbits to take skin and make skin
Rex rabbit fur has the characteristics of short, thin, flat, dense and beautiful, the market demand is large, the price is high, but the market requirements for the purchase quality of Rex-free fur is also very high. In order to sell Rex rabbit fur at a good price, breeders should master the following six tips:
1. Feed collocation
Rex rabbit is both skin and meat rabbit, not only to grow skin, but also to gain weight. Feed nutrition level is high, general digestible energy is 11.4-11.9 MJ / kg, crude protein is 18%-19%, crude fiber is 6%-8%, crude fat is 3%-4%, calcium is 0.88%-0.99%, phosphorus is 0.80%-0.82%, sulfur amino acid is 0.9%.
2. Timely treatment
Once the Rex rabbit suffers from scabies, it will depilate and erode, which must be treated in time, otherwise it will seriously affect the quality of the skin. According to the number and size of scabies in rabbits, take realgar 1 to 5 grams into the end, first take a knife to gently scrape off the scabies spot, in order to show a light red, add the realgar to the affected part and mix it into a paste, once a day in the morning and evening, generally smear for 2 days.
3. take skin at the right age and at the right time
The rex rabbits are generally slaughtered at the age of 4.5 ~ 6.5 months, and the best time is about 6 months old. At this time, the second age of Rex rabbit hair change has passed, the fur has matured. In actual production, as long as the Rex rabbit fur meets the skin conditions, the body weight is more than 2.5 kg can be slaughtered. The time of slaughter is usually in winter, that is, from December of that year to February of the following year.
4. Antiseptic and pickling
Remove the adherent blood, dung, mud, fat, meat crumbs, etc., then spread 35%-50% salt on the fresh skin evenly, marinate it for 6-8 days, or soak the fresh skin in 24% 26% salt solution for 16 hours, remove dry water, then marinate and air-dry with 20%-25% salt of fresh skin weight.
5. Scientific storage
After the Rex rabbit skin is dried, the skin-to-skin and fur-to-wool are packed in cartons. Sprinkle a small amount of naphthalene powder or fragrant balls between the skin and put it in a rodent-free place.
6. Correct tanning
The tanning technology of Rex rabbit skin is generally divided into: skin selection-soaking-degreasing-second dehydration-second dewatering-pickling-tanning-neutralization-centrifugal water throwing-fatliquoring drying-dry shovel-finishing. The parameter time of each process is as follows: immersion 16 murine for 24 hours, degreasing for 1 hour, pickling and tanning for 48 hours.
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