ova/embryos were collected from donor mares which ...have been subjected to the following health tests: ...a test for contagious equine metritis carried out by isolation of Taylorella equigenitalis in two occasions with an interval of seven days from genital swabs taken at least from the clitorial fossa and the clitorial sinuses on ... and on ... and on at least one occasion from swabs taken from the endometrium during early oestrus on ... during 30 days prior to collection of ova/embryos.
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