Rex rabbit is a kind of skin and rabbit with fast growth, short feeding period and high economic value. It is also a courtyard economic project that has been hot in rural areas in recent years. The timely slaughtering and harvesting of the rex rabbits is an important part of the development of the best economic benefits of the breeding and the lowering of the feeding cost. If the timing is not well-handed, slaughtered premature skin area is small, the coat density, wool fiber fineness and length may not meet the standard requirements, poor quality, low grade, of course, the price will not be high; if the timing is too late, feeding The long time, slow growth, large investment, cost-saving, high feeding cost; also affect the breeding efficiency. So how can a rabbit be slaughtered and skinned? According to its growth law, month age, body weight, body length and area of ​​the bust and post-mortem hide, the natural length of the hairy tussock, the fineness of the hair fiber, and the density of the hair, etc., the criteria for determining the best time for skin removal are introduced. The method for the majority of farmers in production for reference.

1. From the point of view of the growth of Rex rabbits, the growth and development of rex rabbits within 2 months of age are relatively slow, generally only about 70g. After 3 months of age, the growth rate is rapid. By the age of 5 months, the area of ​​raw skin reaches 1030cm2, which is close to reaching the area of ​​adult rabbit skin. Only from the size of the raw hides after slaughter, the five-month-old rex rabbits basically met the requirements for skin-peeling, but there are still some defects in other aspects.

2. From the aspect of body weight, body length and chest circumference: From the data of the measurement, the growth of body weight, body length and chest circumference of the Rex rabbit at the age of 5 months and 6 months has almost reached the standard of an adult rabbit. The body weight, body length and chest circumference of 5 month old rabbits can reach 89.04%, 95.00% and 95.38% of the rabbits respectively, and the growth is basically mature. The weight, body length and chest circumference of the 6 month old rabbit can reach adult rabbits respectively. 95.64%, 97.01%, and 97.98% of the growth rate were more mature.

3. From the aspects of natural length, hair density, and wool fiber fineness: According to the results of the measurement, the differences in the coat density, hair fiber fineness, and adult rabbit standards of the five-month-old rabbit were extremely significant (P<0. 01) The difference between the natural length of hairy tussock and the standard of adult rabbits was extremely significant (P<0.05). However, there was no significant difference between the natural length of hair plexus, hair coat density and adult rabbit index at 6 months of age (P>0.005). The difference between wool fiber fineness and adult rabbits was extremely significant (P<0.01).From the international standards, the German rex hairs had a standard length of 14-16mm, a fineness of less than 15um, and a hair density of 8875/ By comparison, it can be seen that the natural length, hair fiber fineness, and coat density of 6-month-old Rex rabbits meet or exceed German standards, including the area of ​​raw hides and the aforementioned indicators. basis.

In addition, from the growth and development of rex rabbits, it is generally slow growth at 2 months after birth, and the growth rate at mid-term (3-5 months) is decisive, and the growth is slow at the late stage (ie, 7 months of age). Adult rabbits grow in size, consume more material, have higher costs, and have lower benefits. The five-month-old rex rabbits were basically stable in growth and development, and the area of ​​the skin had reached the standard of hair removal and utilization. The natural length of the hairy tussock also reached the standard set by the German Rex Rabbit skin, but the coat density was significantly lower than that of adult rabbits. Skin removal can affect rabbit skin grades and prices are affected. Through the above indicators comprehensive analysis of the quality of Rex rabbit skin and the economic benefits of breeding, with 6 months of age is the best time for commercial rex rabbits.

Styrene Acrylic Copolymer

2. Specifications:

4. Use Method:

The product is weak cationic, it can be used with cation and nonionic additive, such as cationic starch,basic dye and polyvinyl alcohol etc, but cannot be mix used with additive of strong cation.

The consumption of the product depends on the quality of base paper, internal sizing and size resistance. It is usually 0.5-2.5% of oven dry weight.

5. Package and storage:

200KG or 1000KG plastic drums.

The storage period is 6 months below the temperature 5-35℃,keep away from sunlight and frost.

Styrene Acrylic Copolymer,Cationic Styrene Acrylic Copolymer,Anionic Styrene Acrylic Copolymer,Sizing Agent For Corrugated Paper

Shandong Tiancheng Chemical Co., Ltd. , https://www.akdchemical.nl