title: Bacterial content of semen, collected by artificial vagina, from bulls that evert the preputial epithelium.
mesh_terms: D000818:Animals; D002417:Cattle; D004848:Epithelium; D004926:Escherichia coli / Q000302:isolation & purification*; D007315:Insemination, Artificial; D008297:Male; D010413:Penis / Q000502:physiology; D012661:Semen / Q000382:microbiology*; D013291:Streptococcus / Q000302:isolation & purification*