Screening method of goat COX II gene segment capable of serving as molecular marker and application thereof
A technology of gene fragment and molecular marker, applied in the field of livestock molecular marker preparation
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[0023] figure 1 The operation process of this embodiment is shown, and the present invention will be further described below in conjunction with the embodiment.
[0024] 1. Amplification of partial DNA fragments of COX II gene related to goat sperm motility traits
[0025] 1.1 Sample collection and genomic DNA extraction
[0026] Sperm collection is performed by the pseudo-vaginal method. The rams collected for semen were strong and good in reproductive performance Anhui white goats (40) and Boer goats (40). The samples were provided by the breeding farm of Hefei Boda Animal Husbandry Technology Company. Store frozen in a -70°C freezer. Genomic DNA was extracted according to the following methods:
[0027] 1) Take 1ml of goat semen and put it into a 2ml high-pressure sterilized centrifuge tube, add 1ml of PBS to rinse, discard the supernatant, then add 1ml of PBS to rinse once, and discard the supernatant.
[0028] 2) Add 700 μl of TE extract to the centrifuge tube, then ...
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