Selection of a dye for use in semen transport studies in the cow |
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Authors: | Devine D A Isbister J Lindsay F E Boyd H |
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Institution: | University of Glasgow Veterinary School Bearsden, Glasgow, Scotland. |
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Abstract: | A series of experiments was carried out to select a dye and diluent that would facilitate identification of bovine inseminate in the uterus of the live cow when using hysteroscopic techniques. Of the dyes tested, Aniline Blue and the permitted food dye Green S as 1% solutions were the most suitable when added to semen with milk buffer diluent. Neither stained the uterine mucosa nor adversely affected the equipment, and both were visually distinctive during hysteroscopy. Using 1% concentrations of these dyes, sperm motility scores were acceptable before and after slow and fast freezing processes. |
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