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2 results about "Motile sperm" patented technology
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When it comes to sperm motility, for an ejaculate sample to be considered normal, at least 40 percent of the sperm should be motile, or moving. This can include non-progressive movement. At least 32 percent of the sperm should show progressive motility.
A method, system and application for detecting total motile sperm count in bovine
The application relates to the field of animal breeding technology, in particular to a method and system for detecting total live sperm count of a cow and application. The method comprises the following steps: based on the genome version ARS-UCD1.2, the methylation level of a region such as chr17:62205563-63205744 of a to-be-detected cow is detected; the detection result is compared with a reference standard, and the total live sperm count of the to-be-detected cow is obtained; the reference standard is obtained based on GWAS correlation data of the total live sperm count and the methylation level of a reference cow group in the region of chr17:62205563-63205744. A region significantly related to the total live sperm count of the cow is obtained through research, early identification of the total live sperm count of the cow can be realized by detecting the methylation level of the region, and this has important significance in the field of animal phenotype identification.
Owner:CHINA AGRI UNIV
Sperm sorting device and method
ActiveCN115701450BBioreactor/fermenter combinationsBiological substance pretreatmentsSemen sampleSperm sorting
A sperm sorting device is suitable for sorting a plurality of motile sperm from a semen sample, and includes a base and a first sorter positioned on the base. The base includes a receiving space defined by a bottom wall and a surrounding wall. The first sorter includes a first kit and a first permeable membrane. The first kit has a first sleeve for being placed into the receiving space. The first sleeve has a first inner sleeve surface and a first outer sleeve surface. The first permeable membrane is fixed to the first sleeve. The first permeable membrane and the inner wall surface of the bottom wall and the surrounding wall define a first sample receiving chamber for receiving the semen sample. In this way, the motile sperm can naturally swim upward and pass through the first permeable membrane, and the quality of sperm sorting can be improved.
Owner:BONRAYBIO