Shared equipment, shared staff, and animal movements were among key findings for virus spread among different farms.
The virus used in the experiment was A 2.3.4.4b, a highly pathogenic H5N1 avian flu virus isolated from a human patient in Chile in 2023.
Wisconsin hasn't reported any dairy herd outbreaks, but three neighboring states have.
Officials reported 36 more detections in mice, as well as 4 more H5N1 positives in cats.
The child in India had been exposed to poultry, which are known to carry the virus in multiple countries.
The ferrets used in the study had not been exposed to H5N1 avian flu or any influenza viruses before.
New CDC data show upticks in early COVID-19 indicators, but severity indicators remain unchanged from the previous week.
Minnesota and Iowa report infected dairy herds.
In other updates, the USDA also reported more H5N1 detections in wild birds and mammals.
Heating the milk to 63°C (145°F) for at least 30 minutes and 72°C (162°F) for 15 seconds both inactivated all tested viruses.
