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From ASF to COVID: How NAHLN Protects Animal Agriculture

The U.S. livestock and food sectors account for more than $150 billion in annual cash receipts. It's no wonder threats of foreign and emerging animal disease outbreaks are increasingly making headlines these days.

Since 2002, the National Animal Health Laboratory Network (NAHLN), created through the cooperation of the USDA-APHIS Veterinary Service, USDA's National Institute of Food and Agriculture (NIFA), and the American Association of Veterinary Laboratory Diagnosticians (AAVLD) has been helping protect these agricultural assets.

NAHLN, a network of federal, state and university-associated veterinary diagnostic laboratories that provide ongoing disease surveillance, responds quickly to disease events; communicates diagnostic outcomes to decision makers; and has the capability and capacity to meet diagnostic needs during animal disease outbreaks, NIFA wrote in its latest update.

Since it started, NAHLN has grown from 12 AAVLD laboratories to 60 AAVLD laboratories throughout the U.S. capable of testing large numbers of samples for specific disease agents.

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World Without Cows - Official Trailer

Video: World Without Cows - Official Trailer


In World Without Cows, journalists Michelle Michael and Brandon Whitworth take viewers on a global journey to explore the essential role of cattle in agriculture, food systems, and rural economies. Through interviews with farmers, ranchers, and environmental scientists, the documentary challenges the growing wave of misinformation surrounding cattle and climate change.

Prompted by the rise of unscientific narratives that paint livestock in a negative light, Michael and Whitworth set out to tell a more balanced story—one rooted in evidence and lived experience. The film highlights the cultural significance of cows, their contribution to global nutrition, and the innovations within the industry aimed at reducing environmental impact.

World Without Cows is a compelling reminder of the complexity and importance of livestock in a sustainable future.