Table 6.

Range of streptomycin and dihydrostreptomycin concentrations (μg/kg) in milk after intramuscular treatment in lactating cows

Antimicrobial	12 h	24 h	36 h	48 h	72 h
Streptomycin	173–265	85–123	51.6–67.7	< LOQ	< LOQ
Dihydrostreptomycin	166–252	74.5–104	50.6–66.7	< LOQ	< LOQ