National Milk Producers Federation official on HPAI in dairy

However, it does take around 30 to 45 days for those clinically infected cows to recover fully from the process. And that being said, we have some cows that do not fully recover milk production, in that month to a month and a half period.

Some animals actually essentially shut down milk production from this and become a dry animal. We do not know if that is a lasting condition, until we start having some of these animals freshen back in to the herd. And that could be as much as six months from now.