USDA confirms new strain of avian flu in dairy cattle
By Erin Jester The USDA announced on Wednesday that the predominant genotype of avian flu circulating in migratory birds, called D1.1, was responsible for an outbreak at a dairy farm in Nevada – the first time the strain has been detected in dairy cattle. All previous dairy farm outbreaks were caused by the B3.13 genotype of highly pathogenic H5N1 avian flu, said …