On-farm methods for assessing zinc sulfate concentrations in footbaths [sheep; footrot control]. [Short note]
1992
Ferrier, G.R. | Bowditch, L.C. | Makin, T.J. (Victorian Dept. of Agriculture, Benalla (Australia). Benalla Agricultural and Veterinary Centre)
Contamination of zinc sulfate solutions with soil, water, and sheep faeces and urine reduced initial concentrations in footbaths by up to 33 percent. An hydrometer and a titrimetric colour change method were compared, and both were able to assess the concentrations in contaminated solutions. The hydrometer was found to be the most practical method for on-farm use.
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