The Wisconsin Department of Agriculture, Trade, and Consumer Protection (DATCP) announced yesterday that the state will soon begin mandatory monthly milk sampling for avian influenza as part of the National Milk Testing Strategy required by the US Department of Agriculture (USDA).
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The USDA has been phasing in states for testing based on previous detections. Wisconsin is the nation’s second-biggest dairy producer and is among the 33 states that haven’t reported any H5N1 detections in dairy cattle.
In its statement, the DATCP said that, with help from industry partners, the plan is to collect one milk sample per dairy farm each month, primarily through existing milk-quality labs, to minimize disruptions to dairy farms yet get farm-level results. Initial testing will be done by the Wisconsin Veterinary Diagnostic Laboratory, with any H5N1 detections confirmed by the USDA’s National Veterinary Service Laboratories.
H5N1 strikes massive layer farm in Arizona
In other H5N1 developments, the USDA Animal and Plant Health Inspection Service (APHIS) reported two more H5N1 outbreaks in poultry, one of them involving a commercial layer farm in Maricopa County, Arizona, that has about 2.26 million birds.
The other involves a backyard flock in Northampton County, Pennsylvania, that has 30 birds.