Male rat fertility comprehensive evaluating method

A comprehensive evaluation and fecundity technology, which is applied in the field of male rat breeding and male rat fecundity identification, can solve problems such as identification errors, and achieve the effects of simple operation, strong pertinence, and reduced feeding costs
CN110447599AActive Publication Date: 2019-11-15GUANGXI MEDICAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI MEDICAL UNIVERSITY
Publication Date
2019-11-15

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Abstract

According to a male rat fertility comprehensive evaluating system and a judging criteria thereof, 8-9-week-old male rats and female rats with healthy appearance, sensitive response, up-to-standard weight, bright fur color and well-developed sexual organs are selected respectively and bred in independent cages, the rats freely take breeding feeds and drink water and are bred alternately in light for 10 hours and in darkness for 14 hours, the female rats with sexual precocity or vaginal valgus holes in the 4-5 week are abandoned, the estrus female rats are selected according to vaginal smears, the natural estrus female rats and the selected male rats are put into one cage according to the ratio of 1:1 for mating, vaginal plugs of the female rats are detected 10-12 hours after the female ratsand the male rats are put into one cage, the female rats are put into a quiet environment to be carefully nursed, and the number of pregnancy days, litter size and fetal survival number of the femalerats are counted. The fertility of the male rats can be effectively and accurately authenticated, the high-fertility male rats are screened out, and the high-fertility male rats are effectively protected against surgical injuries. The judging criteria has high pertinence and measurability; through a measurable score comparison criteria table, detection is more analyzable and objective, and the fertility of the male rats is visually judged.
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Description

technical field

[0001] The invention relates to the technical field of male rat fecundity identification and male rat breeding, in particular to a comprehensive evaluation method for male fecundity. Background technique

[0002] The fertility of male mice has a profound impact on the offspring. The quality of male mice directly affects the production and research of mice, so the identification of male fertility plays a crucial role. In production and scientific research, the fecundity of male rats is ignored, and the fecundity of selected male rats is uneven, resulting in a low level of production efficiency, which will also greatly affect the results of scientific research and analysis and judgment. Whether the evaluation methods and criteria of male rat fecundity can accurately, effectively and objectively judge male rat fecundity plays a vital role.

[0003] The reproductive system of male mice includes testes, epididymis, vas deferens, prostate and seminal vesicles. Th...

Claims

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