title: A single cannula technique for nonsurgical collection of ova from cattle.
mesh_terms: D000818:Animals; D005260:Female; D010063:Ovum; D013048:Specimen Handling / Q000295:instrumentation*; D013594:Syringes; D007507:Therapeutic Irrigation / Q000662:veterinary*; D014730:Veterinary Medicine / Q000295:instrumentation*