A feeding study with the herbicide, Kerb (N-(1, 1 dimethylpropynyl)-3,5-dichlorobenzamide, in the dairy cow

The herbicide, Kerb ((N-(1,1 dimethylpropynyl)-3,5-dichlorobezamide) was fed to a lactating cow at a concentration of 5 ppm in the ration for four days. Excretion of residues of equivalent herbicide in milk, urine and feces were found to be, respectively, 0.19, 44.38 and 4.46% of the total dose.