That has been on the bottle since day 1.
The effects of florfenicol on bovine reproductive performance pregnancy and lactation have not been determined. The correlation between the in vitro susceptibility data (MIC values) and clinical response has not been determined
. I have been instructed by more than one vet to use it on bred cows from 1-9 months and have used it with great success ,no complications, as well have been instructed to use it on breeding age cattle with great success and the animals all re breed/breed back without complications.
Excenel is a good drug but it does not touch somethings that nuflor will. As with any drug be sure to follow withdrawl periods and error on the side of caution..