[Polytechnical instruction in the cow-stall].
D000818:Animals; D002006:Brucellosis; D002007:Brucellosis, Bovine / Q000635:transmission*; D002417:Cattle; D005260:Female; D013672:Technology / Q000193:education*; D014376:Tuberculosis; D014380:Tuberculosis, Bovine / Q000635:transmission*
BRUCELLOSIS, BOVINE/transmission; TECHNOLOGY/education; TUBERCULOSIS, BOVINE/transmission