PoultryDVM
Founded and maintained by licensed veterinarians (DVM)
Symptom-by-symptom chicken condition library, drug and dosage references, and toxic plant lists used for our symptom guides.
Visit the original resourceWhere our answers come from
Veterinary references
CoopCheck's health information is reviewed and attributed to licensed veterinarians and established poultry health resources. This tool is for guidance only and does not replace professional veterinary care.
Every symptom guide, health claim, and outcome recommendation on CoopCheck — whether your result is Normal, Watch it, or Vet now — is drawn from the sources below. If your chicken's situation is urgent or unclear, call a poultry or farm vet.
Merck Veterinary Manual — Poultry
Peer-reviewed by veterinary specialists (DVM, PhD, DACPV)
Clinical descriptions of respiratory, digestive, and reproductive disease used for our Watch it and Vet now thresholds.
Visit the original resourceUC Davis Veterinary Medicine — Poultry Health
University of California, Davis School of Veterinary Medicine (DVM faculty)
Backyard flock health topics, biosecurity, and first-aid guidance for small flocks.
Visit the original resourceCornell University — Poultry Health and Diagnostics
Cornell College of Veterinary Medicine, Animal Health Diagnostic Center (DVM, DACPV)
Diagnostic guidance for flock-wide illness and when laboratory testing is warranted.
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UGA Department of Poultry Science, extension faculty (PhD, DVM)
Feeding, molting, housing, and small-flock management schedules.
Visit the original resourceUSDA APHIS — Defend the Flock
United States Department of Agriculture, Animal and Plant Health Inspection Service
Biosecurity practices and reportable disease signs, including avian influenza warnings that trigger our Vet now outcome.
Visit the original resourceThe Poultry Site — Disease Guide
Reviewed by poultry veterinarians and industry specialists
Cross-checking of common disease signs and terminology used in plain-language rewrites.
Visit the original resourceAmerican Association of Avian Pathologists (AAAP)
Professional association of avian veterinarians (DVM, DACPV)
Finding a poultry-experienced veterinarian and current avian health standards.
Visit the original resourceCoopCheck is general guidance, not a diagnosis. When in doubt, call a vet.