title: Resistance of preimplantation bovine embryos to infection with Brucella abortus.
abstract: Preimplantation bovine embryos were exposed in vitro to Brucella abortus to determine if the bacteria would adhere to zona pellucida (ZP)-intact embryos or adhere to or infect ZP-free embryos. Brucella abortus was not isolated from ZP-intact or ZP-free groups of embryos after 10 sequential antibiotic-free washings. Brucella abortus was isolated from all groups containing ZP-defective embryos after the exposure period and washing. Detrimental effects on healthy in vitro development of embryos were not observed.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000382:microbiology*; D002007:Brucellosis, Bovine / Q000635:transmission*; D002417:Cattle; D004624:Embryo Transfer / Q000662:veterinary; D066298:In Vitro Techniques