title: Automatic sampling of blood and ruminal fluid of grazing sheep.
mesh_terms: D000818:Animals; D001331:Automation; D001800:Blood Specimen Collection / Q000295:instrumentation / Q000662:veterinary*; D001826:Body Fluids / Q000032:analysis; D002245:Carbon Dioxide / Q000097:blood; D002247:Carbon Isotopes
chemical_list: D002247:Carbon Isotopes; D002245:Carbon Dioxide