Rabbits are expensive in their fur and use their meat. The focus of selection and evaluation criteria are based on this. The specific selection criteria are as follows: 1. Selection according to quality characteristics and breeding standards The basic characteristics of the rex rabbit are represented in the fur. The characteristics of the fur can be summarized by “short, fine, dense, flat, beautiful, and prisonâ€. Since the rex rabbits have many coat colors, one coat represents an independent strain. All individuals in the same strain must maintain the same coat color, do not mix in pureness, and can be stably inherited. As a species, it requires strong constitution, outstanding traits and performance, and no inherited diseases. Male rabbits show strong males, strong sexual function, active temperament, sensitive reactions and no evil. For females, the mothers are required to have good motherhood, strong feeding ability, high lactation force, high birth rate and breeding rate, and more than 4 pairs of well-developed nipples. 2, according to the main economic characteristics of Rex rabbits selected Rex Rabbit's main product is fur, rabbit hair and cortex directly affect the value of goods and economic benefits, therefore, the focus of selection should be placed on the quality of fur. In foreign countries, Rex Rabbit's appraisal rating standards, coat quality has accounted for 40% to 50%, showing its important position. When selecting seeds, rabbits are required to be full, thick and smooth, with fine and upright hair fibers, and elasticity. The length of fluff is between 1.3 cm and 2.2 cm, and 1.6 cm is the best. Little or no. 3, according to the size of the body size selection In recent years, the body size requirements to the large-scale development, the purpose is to increase the area of ​​the skin and increase the production of meat. Therefore, when choosing a species, choose a large body type and a strong physique to be reserved. In foreign countries, the selection criteria for the size of body size has increased from 5% to 35%. At present, the small size and low weight of the rex rabbits in our country have severely affected the quality of rex rabbits, and it has reached the critical moments that affect survival and development. To increase the current weight of 3.25kg to 3.5kg to 4.0kg, it is necessary to work harder on the selection. While making the choice of body size to large-scale, one cannot ignore the choice of other traits, especially the choice of fur quality, so that one cannot miss the other. 4. When selecting seeds, attention should be paid to the choice of fur color. The existing rex rabbits have many coat colors. Most of them are selected after breeding. Some of the coat colors are short because of short selection time, few in the group, and hereditary instability. Segregation of characters appears. Among the many coat colors, the coat color of white rabbits, beavers, eight blacks, blacks, and reds is relatively stable. From the perspective of commodity production, it is advisable to raise more white. White can be dyed to simulate a variety of colors that people like. No matter what the color, all require pure color, must have the characteristics of the hair color, the performance of uniform color and light, where there are different color patches or mixed hair, etc., are inferior fur. Selecting a job is a long-term and uninterrupted job. Selecting the focus and assessment criteria must also meet the needs of production. For a rabbit farm, according to the specific conditions of the rabbit group, distinguish the primary and secondary times, have plans to carry out the purpose, and ultimately achieve all the requirements of the selection criteria.
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