| This review presents water quality criteria for livestock adopted by different countries/states and discusses how those limit values are established. The method used was a literature data survey, available in the electronic pages of regulatory agencies of different countries or states. Livestock water quality criteria for chemical substances adopted by different countries/states, includingBrazil(CONAMA 357 e 396), were compared. Information about the main factors can influence the derivation of livestock water quality criteria were highlighted. The analysis of the Brazilian surface water regulation, which is based on multiple uses, indicated that some standards are not appropriate for livestock use. Great variation was observed for the choice of priority... |
