[Value of the IBR-free certificate].
Holman
H
H
D000822:Animal Husbandry / Q000331:legislation & jurisprudence*; D000818:Animals; D002417:Cattle; D002568:Certification; D003365:Costs and Cost Analysis; D007241:Infectious Bovine Rhinotracheitis / Q000191:economics / Q000517:prevention & control*; D009426:Netherlands
De waarde van het IBR-vrij certificaat.