Poor backyard biosecurity allows virulent Newcastle disease to spread
Numerous properties have been quarantined and more than 9,000 chickens or other poultry have been euthanized since virulent N -More-
source http://www.smartbrief.com/branded/D5B61895-8343-46AE-9E8D-69BF8059ECA6/D9336CA9-CE8B-4071-8CBD-2231ED506A77
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