Old bird diseases occur more among free-range hens - Poultry World

Old bird diseases occur more among free-range hens

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Bird flu means higher egg prices, now there's a chick boom hatching across US - OPB

Poultry Industry in Alabama - Encyclopedia of Alabama

Focus: Bird flu puts organic chickens into lockdown from Pennsylvania to France

Zoonotic Diseases & Birds/Poultry Oregon Veterinary Medical Association

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Bird flu spreads to Southern California, a risk to wildlife - Los Angeles Times

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Smothering - Laying Hens