Health & Diseases
Overview of Poultry Diseases
- Animal Disease Information (World Organization for Animal Health) HTML
- Avian Immune Systems (University of Florida) PDF / HTML
- Avian Necropsy Techniques (University of Florida) PDF / HTML
- Bacterial Diseases (Mississippi State University) PDF
- Bacterial Diseases of Poultry Excluding Respiratory Diseases (Oklahoma State University) PDF
- Common Poultry Diseases (University of Florida) PDF / HTML
- Common Poultry Diseases in Small Farm Flocks in Oklahoma (Oklahoma State University) PDF
- Diagnosis of Poultry Disease (Canadian Poultry Consultants LTD) HTML
- Diseases (Miller Hatcheries) HTML
- Diseases of Chickens (Clemson University) PDF
- Diseases of Poultry (Mississippi State University Extension) PDF / HTML
- Disease of Small Poultry Flocks (University of Minnesota) PDF
- Disease Problems of Commercial Pullets: Rearing and Laying (Poultry Health Services) HTML
- Eye Disorders of Poultry (University of Florida) PDF / HTML
- Factors Causing Poor Pigmentation of Brown-Shelled Eggs (University of Florida) PDF / HTML
- Impact of Dietary and Environmental Factors on Microbial Communities of the Avian GI Tract (Poultry Health Services) HTML
- Intestinal Integrity and the Impact of Losing It (Alabama Veterinary Diagnostic Laboratories) HTML
- Organization and Use of Serological Monitoring Service for the Poultry Industry - Dissertation: Diploma in Poultry Medicine and Production (Poultry Health Services) HTML
- Poultry Disease Diagnosis (Mississippi State University) PDF
- Poultry Diseases and Medications for Small Flocks (University of Connecticut) HTML
- Poultry Health Monitoring - Benefits of Computerized Systems (Poultry Health Services) HTML
- Practical Illustrations of Risk Assessment and Risk Management in the Poultry Industry (British Veterinary Poultry Association) HTML
- Wet Litter in Turkeys: Diseases and Interactions (Poultry Health Services) HTML
- Zoonotic Diseases - Part I: Bird to Human Transmission - Chlamydiosis (Psittacosis, Parrot Fever), Salmonellosis (Winged Wisdom, Pet Bird Magazine, May 1998) HTML
- Zoonotic Diseases - Part II: Bird to Human Transmission - Allergic Alveolitus, Campylobacteriosis, New Castles Disease (Winged Wisdom, Pet Bird Magazine, June 1998) HTML
- Zoonotic Diseases - Part III: Bird to Human Transmission - Avian Tuberculosis (Winged Wisdom, Pet Bird Magazine, July 1998) HTML
Specific Diseases
Ascites
- Ascites (The Poultry Site) HTML
- Ascites Syndrome in Meat-Type Chickens (Ontario Ministry of Ag, Food & Rural Affairs) HTML
- Ascites Syndrome in Poultry (Merck Veterinary Manual) HTML
- Causes of Ascites in Poultry (eXtension) HTML
- Feeding to Reduce Ascites in Poultry (WATTAgNet.com) HTML
Avian Influenza
- Avian and Other Zoonotic Influenza (World Health Organization) HTML
- Avian Influenza (University of Minnesota) HTML
- Avian Influenza (USDA) HTML
- Avian Influenza (USDA-APHIS) HTML
- Avian Influenza (USGS) HTML
- Avian Influenza: A Guide for Veterinarians & Companion Animal Owners (Minnesota Dept of Agriculture) PDF
- Avian Influenza: A Minnesota Cooperative Control Program (University of Minnesota) PDF
- Avian Influenza A (H7N9) Virus (World Health Organization) HTML
- Avian Influenza Basics for Pigeon Owners (University of Minnesota) PDF / HTML
- Avian Influenza (Bird Flu): Implications for Human Disease (CIDRAP) HTML
- Avian Influenza Disease (USDA-APHIS) HTML
- Avian Influenza - DNR Tests for Virus in Minnesota (Minnesota Dept of Natural Resources) HTML
- Avian Influenza - How Will It Affect Me? (eXtension) HTML
- Avian Influenza: Human Pandemic Concerns (CAST) PDF
- Avian Influenza in Poultry (University of Florida) PDF / HTML
- Avian Influenza Prevention in Gamebird and Ratite Facilities (Kansas State University) PDF
- Disposal of Domestic Birds Infected by Avian Influenza - An Overview of Considerations and Options (US EPA) PDF
- Information on Avian Influenza (Centers for Disease Control & Prevention) HTML
- Minnesota Responds to Avian Influenza (Minnesota Board of Animal Health) HTML
- Pigeons and Influenza Viruses (University of MInnesota) PDF / HTML
- Protecting Us from Avian Flu (University of Minnesota) HTML
Blackhead Disease
- Blackhead (Michigan Dept of Natural Resources) HTML
- Blackhead Disease in Turkeys (University of Nebraska) PDF
- Infectious Enterohepatitis (Blackhead) (Iowas State University) PDF
- Preventing Blackhead Disease in Turkeys and Game Birds (Kansas State University) PDF
Cannibalism
- Cannibalism in Poultry (University of Saskatchewan) HTML
- Cannibalism in the Small Poultry Flock (Kansas State University) PDF
- Cannibalism: Prevention and Treatment (Pennsylvania State University) HTML
- Cannibalism: Prevention and Treatment (Virginia Tech) HTML
- Causes of Pecking and Cannibalism (Mississippi State University) HTML
- Feather Pecking and Cannibalism in Small and Backyard Poultry Flocks (eXtension) HTML
Cellulitis
- Cellulitis (Poultry Med) HTML
- Cellulitis (The Poultry Site) HTML
- Clostridial Dermatitis and Cellulitis: An Emerging Disease of Turkeys (University of Minnesota) HTML
- Persistence of Cellulitis-associated Escherichia coli DNA Fingerprints in Successive Broiler Chicken Flocks (Vet. Microbiol. 75 (2000) 59-71) PDF / HTML
Chlamydia
- Avian Chlamydiosis (Rev. Sci. Tech. Off. Int. Epiz., 2000, 19(2), 396-404) PDF
- Chlamydia Psittaci (Avian Services Center, Avian Biotech International) HTML
- Chlamydiosis in Poultry (poultrykeeper.com) HTML
- Overview of Avian Chlamydiosis (Psittacosis, Ornithosis, Parrot Fever) (Merck Veterinary Manual) HTML
- Psittacosis (Illinois State University) HTML
- Psittacosis (Iowa State University) HTML
- Psittacosis/Avian Chlamydiosis (Iowa State University) PDF
- Psittacosis (Avian Chlamydiosis) Fact Sheet (Virginia Tech) HTML
- Psittacosis: Technical Information (Centers for Disease Control & Prevention) HTML
Cholera
- Facts About Fowl Cholera (South Dakota State University) PDF
- Fowl Cholera (Cornell University) HTML
- Fowl Cholera (Michigan Department of Natural Resources) HTML
- Fowl Cholera (University of Nebraska) PDF
- Fowl Cholera (Queensland Government, Australia) HTML
- Fowl Cholera in Poultry (eXtension) HTML
- Overview of Fowl Cholera (Merck Veterinary Manual) HTML
Clostridium
- Clostridial Proliferation and Intestinal Instability (Poultry Health Services) HTML
- Clostridium Perfringens: The Causal Agent of Necrotic Enteritis in Poultry (Doctoral Thesis, Swedish University of Ag Sciences) PDF
- Keeping Clostridial Enteritis Away from Poultry Flocks (Poultry World) HTML
Coccidiosis
- Coccidiosis (Kansas State University) PDF
- Coccidiosis (PoultryHub) HTML
- Coccidiosis in Chickens (Alberta Agriculture & Forestry ) HTML
- Coccidiosis in Chickens (University of Arkansas) PDF
- Coccidiosis in Chickens (University of California) PDF
- Overview of Coccidiosis in Poultry (Merck Veterinary Manual) HTML
- Parasite Management for Natural and Organic Poultry: Coccidiosis (ATTRA) PDF
Coryza
- Infectious Coryza (Cornell University) HTML
- Infectious Coryza (PoultryHub) HTML
- Infectious Coryza in Poultry (eXtension) HTML
- Overview of Infectious Coryza in Chickens (Merck Veterinary Manual) HTML
Eastern Equine Encephalitis
- Eastern Equine Encephalitis (USDA-APHIS) PDF
- Eastern Equine Encephalitis in Poultry (eXtension) HTML
- Questions Regarding Eastern Equine Encephalitis and Horses (Rutgers University) HTML
Encephalitis
- Overview of Viral Encephalitides in Poultry (Merck Veterinary Manual) HTML
- St. Louis Encephalitis -- The Role of Chickens (University of Florida) PDF / HTML
- Viral Encephalitis: The Role of Birds (University of Florida) PDF
Enteritis
- Duck Plague - Duck Virus Enteritis (National Wildlife Health Center, USGS) HTML
- Duck Virus Enteritis (Michigan Department of Natural Resources) HTML
- Necrotic Enteritis (University of Arkansas) PDF
- Overview of Necrotic Enteritis in Poultry (Merck Veterinary Manual) HTML
- Poult Enteritis and Mortality Syndrome (North Carolina State University) HTML
- Turkey Poult Enteritis (Indiana Animal Disease Diagnostic Lab) HTML
Infectious Bronchitis Virus (IBV)
- Avian Infectious Bronchitis Virus (Rev. Sci. Tech. Off. Int. Epiz., 2000, 19(2) 493-508) PDF
- Effects of Avian Infectious Bronchitis Virus (Arkanasas Strain) on Vaccinated Laying Chickens (University of Minnesota) HTML
- Infectious Bronchitis Virus: Classical and Variant Avian Strains (University of Florida) PDF / HTML
- Infectious Bronchitis and its Effect on Egg Production and Egg Quality (University of Florida) PDF / HTML
- Overview of Infectious Bronchitis in Poultry (Merck Veterinary Manual) HTML
Infectious Bursal Disease (IBD)
- Gumboro Disease (Merck Animal Health) HTML
- Infectious Bursal Disease (Washington State University) HTML
- Infectious Bursal Disease (Gumboro) in Commercial Broilers (University of Florida) PDF / HTML
- Infectious Bursal Disease (or Gumboro) (PoultryHub) HTML
- Overview of Infectious Bursal Disease in Poultry (Merck Veterinary Manual) HTML
Infectious Laryngotracheitis (ILT)
- Avian Infectious Laryngotracheitis - Chapter 2.3.3 of OIE Terrestrial Manual-2008 (OIE World Organization for Animal Health) PDF
- Diseases of Poultry: Laryngotracheitis (The Poultry Site) HTML
- Episode of Infectious Laryngotracheitis Affecting Mississippi Broiler-Breeders and Broilers in 2002-2003 (Mississippi State University) PDF
- Infectious Laryngotracheitis (Michigan State University) PDF
- Infectious Laryngotracheitis (ILT) in Poultry (Alberta Agriculture & Forestry) PDF / HTML
- Infectious Laryngotracheitis (ILT): Know the Symptoms and What to do if Your Flock is Affected (Maryland Coop Extension) PDF
- Overview of Infectious Laryngotracheitis in Poultry (Merck Veterinary Manual) HTML
Marek's Disease
- Marek's Disease in Backyard Chicken Flocks (University of California-Davis) PDF
- Marek's Disease in Poultry (Merck Veterinary Manual) HTML
- Marek's Disease in Small Flocks (The Poultry Site) HTML
- Marek's Disease Overview for Backyard Poultry Owners (University of California-Davis) PDF
- Recognizing and Preventing Marek's Disease in Small Flocks (University of Maryland) PDF
Mycoplasma
- Avian Mycoplasmosis (Mycoplasma Gallisepticum) (Iowa State University) PDF
- Diseases of Poultry: Mycoplasma (The Poultry Site) HTML
- Mycoplasma Gallisepticum (Cornell University) HTML
- Mycoplasma Gallisepticum - A Continuing Problem in Commercial Poultry (University of Florida) PDF / HTML
- Mycoplasma Gallisepticum: FAQ (University of Maine) HTML
- Mycoplasma Gallisepticum Infection of Backyard and Commercial Poultry Operations (Purdue University) HTML
- Mycoplasma: How to Deal with a Persistent and Uiquitous Pathogen (University of California) PDF
- Mycoplasma Synoviae Fact Sheet (Washington State University) HTML
- Recognizing and Preventing Mycoplasm Gallisepticum (MG) Infection in Poultry (University of Maryland) PDF
Newcastle Disease / Exotic Newcastle Disease
- Cracking Down on Newcastle Disease (New Agriculturist On-line) HTML
- Enfermedad de Newcastle Virulenta - Información para Propietarious de Aves (University of California-Davis) PDF
- Exotic Newcastle Disease in Caged (Exotic) Birds (University of California-Davis) HTML
- Newcastle Disease (Iowa State University) PDF
- Newcastle Disease (USDA-ARS) HTML
- Newcastle Disease Virus (NDV) (Avian Biotech International) HTML
- Newcastle Disease: What Nebraska Poultry Producers Need to Know (University of Nebraska) PDF
- Pigeons and Exotic Newcastle Disease (University of California-Davis) HTML
- Recommendations to Prevent the Spread of Exotic Newcastle Disease (University of California-Davis) HTML
Pneumovirus
- Avian Pneumovirus and its Survival in Poultry Litter (University of Minnesota) HTML
- Avian Pneumovirus Infection in Minnesota Turkeys: Experimental Reproduction of the Disease (University of Minnesota) HTML
- Diagnosis, Management and Control of Avian Pneumovirus Infection in Broiler Parent Chickens (Poultry Health Services, UK) PDF
- Review of Avian Pneumovirus (Roche Vitamins) PDF
- Susceptibility of Broiler Chicks to Infection by Avian Pneumovirus of Turkey Origin (University of Minnesota) HTML
Pox
- Avian Pox (Cornell University) HTML
- Avian Pox (Michigan Department of Natural Resources) HTML
- Avian Pox (USGS) HTML
- Avian Pox in Small Flocks (University of Arkansas) PDF
- Fowl Pox in Poultry (eXtension) HTML
- Preventing Avian Pox (University of California-Davis) PDF
- Prevention and Control of Fowl Pox in Backyard Chicken Flocks (University of Florida) PDF / HTML
- Recognizing and Preventing Avian Pox in Small Flocks (University of Maryland) PDF
Rhinotracheitis
- Ornithobacterium Rhinotracheale: A Review (Avian Pathology, 28:3, 217-227) PDF / HTML
- Ornithobacterium Rhinotracheale Infection in Commercial Laying-type Chickens (University of Minnesota) HTML
- Ornithobacterium Rhinotracheale Infection in Turkeys: Immunoproplylaxis Studies (University of Minnesota) HTML
Salmonella
- Biosecurity and Vaccination in Eradicating Salmonella Enteritidis (Poultry Health Services) HTML
- Commercial Salmonella Enteritidis ELISA Test: Results Arising for its Use in Monitoring for Infection and Response to an Inactivated Vaccine (Poultry Health Services) HTML
- Economic Impact of the Salmonella Enteritidis Control Program to the Egg Industry In California (University of California-Davis) PDF
- Genes for Resistance to Salmonella in Poultry (Iowa State Univesity) PDF
- Good Management Practcies for Salmonella Risk Reduction in the Production of Table Eggs (University of Minnesota) HTML
- Questions & Answers ABout Salmonella (National Chicken Council) HTML
- Salmonella Control and Molting of Egg Laying Flocks - Are They Compatible? (University of Florida) PDF / HTML
- Salmonella on the Farm (Minnesota Dept of Health) PDF
Skeletal Problems
- Infectious Skeletal Disorders in Poultry (Merck Veterinary Manual) HTML
- Leg and Foot Disorders in Domestic Fowl (Pennsylvania State University) HTML
- Leg and Foot Disorders in Domestic Fowl (Virginia State University) HTML
- Leg and Skeletal Problems (PoultryHub) HTML
- Leg Problems in Broilers and Turkeys (Kansas State University) PDF
- Nutritional Factors That Affect Leg Problems in Broilers and Turkeys (Avian & Poultry Biology Reviews) HTML
- Overview of Disorders of the Skeletal System in Poultry (Merck Veterinary Manual) HTML
Spiking Mortality
- PEMS and Spiking Mortality of Turkeys (The Poultry Site) HTML
- Poult Enteritis and Mortality Syndrome (North Carolina State University) HTML
- Spiking Mortality of Chickens (The Poultry Site) HTML
West Nile Virus
- Farmers and West Nile Virus (Ohio State University Extension) HTML
- Farmers, Chickens, and West Nile Virus (Mississippi State University) PDF
- Frequently Asked Questions About Birds and West Nile Virus (Ohio State University Extension) HTML
- West Nile (University of Minnesota) HTML
- West Nile Encephalitis and Poultry (Pennsylvania State University) PDF / HTML
- West Nile Virus (Centers for Disease Control & Prevention) HTML
- West Nile Virus (Connecticut Ag Experiment Station) PDF
- West Nile Virus and Chickens (Kansas State University) PDF
- West Nile Virus Key Facts (University of Minnesota) PDF
- West Nile Virus: The Twin Cities' Source for Local Information About West Nile Virus (University of Minnesota) HTML
- West Nile Virus (WNV) (Minnesota Dept of Health) HTML
- West Nile Virus (WNV) (USGS) HTML
Miscellaneous Diseases
- Aspergillosis (The Poultry Site) HTML
- Aspergillosis (USGS) PDF
- Aspergillosis in Poultry (eXtension) HTML
- Cage Layer Fatigue (eXtension) HTML
- Chicken Anaemia Virus Infection (or CAV) (PoultryHub) HTML
- Chicken Anemia Agent (CAA) (University of Florida) PDF / HTML
- Hypocalcemia, Sudden Death, Osteoporosis, or Cage Layer Fatigue-Poultry (Merck Veterinary Manual) HTML
- Overview of Aspergillosis in Poultry (Merck Veterinary Manual) HTML
- Overview of Chicken Anemia Virus Infection (Merck Veterinary Manual) HTML
- Pigeon Canker (University of Florida) PDF / HTML
- Rickets and Cage Layer Fatigue (PoultryHub) HTML
Disease Prevention
General Information
- Control of Poultry Disease Outbreaks (University of Missouri) HTML
- Disease Prevention in Commercial Aviaries (University of Florida) PDF / HTML
- Economic Impact of the Salmonella Enteritidis Control Program to the Egg Industry In California (University of California-Davis) PDF
- Improved Aviculture Management May Prevent Candidiasis in Birds (University of Florida) PDF / HTML
- Poultry Health Management for Commercial Poultry (Canadian Poultry Consultants LTD) HTML
- Preventing Avian Pox (University of California-Davis) PDF
- Prevention and Control of Fowl Pox in Backyard Chicken Flocks (University of Florida) PDF / HTML
- Prevention of Poultry Disease (University of Missouri) PDF / HTML
- Recognizing and Preventing Avian Pox in Small Flocks (University of Maryland) PDF
- Recognizing and Preventing Marek's Disease in Small Flocks (University of Maryland) PDF
- Recognizing and Preventing Mycoplasm Gallisepticum (MG) Infection in Poultry (University of Maryland) PDF
- Recommendations to Prevent the Spread of Exotic Newcastle Disease (University of California-Davis) HTML
Biosecurity
- Avian Influenza Biosecruity Guidelines for All Poultry (Ohio State University) HTML
- Backyard Biosecurity: 6 Ways to Prevent Poultry Diseases (USDA-APHIS) PDF
- Backyard Biosecurity is the Best Defense Against Avian Influenza (Mississippi State University Extension) PDF
- Biosecurity - A Practical Approach (Pennsylvania State University) HTML
- Biosecurity and the Poultry Flock (University of Nebraska) PDF
- Biosecurity for Commercial Poultry Facilities (Massachusetts Dept of Ag Resources) PDF
- Biosecurity for Exotic Fowl (Texas A&M) PDF
- Biosecurity for Live Bird Markets (Massachusetts Dept of Ag Resources) PDF
- Biosecurity for Poultry at Community Farms (University of California) PDF
- Biosecurity for Poultry Flocks (University of California-Davis) HTML
- Biosecurity for Youth Livestock Exhibitors (Ohio State University) PDF
- Biosecurity Fundamentals for Extension Personnel (Ohio State University) PDF
- Biosecurity in the Egg Processing Plant (University of California-Davis) PDF
- Code of Practice for Biosecurity in the Egg Industry (Rural Industries Res & Dev Corp, Australia) PDF
- Disease Prevention Checklist (University of California-Davis) PDF
- Establishing Effective Disease Security (University of California-Davis) PDF
- Guidelines for Risk Reduction of Microbial Introduction into Poultry Flocks and Products (University of California-Davis) PDF
- Manual of Diagnostic Tests and Vaccines For Terrestrial Animals (World Organization for Animal Health) HTML
- Poultry Facility Biosecurity (Texas A&M) PDF
Medication
- Compatibility of Ionophore Anticoccidials with the Therapeutical Treatments (Alpharma Inc) HTML
- Drugs Approved for Use in Conventional Poultry Production (eXtension) HTML
- Poultry Diseases and Medications for Small Flocks (University of Connecticut) HTML
- Guidance for Industry - Effectiveness of Anthelmintics: General Recommendations, 2001 (US Dept of Health & Human Services) PDF
- Safety of Ionophore Anticoccidials Compatibility with Species (Alpharma Inc) HTML
- Safety of Chemical Anticoccidials Compatibility with Different Species (Alpharma Inc) HTML
- Use of Anticoccidial Medications and Vaccines in Poultry Production (eXtension) HTML
- Use of Drugs in Food Animals - Benefits and Risks (National Academy Press) HTML
Sanitation
- Clean and Mean: Effective Targeting for Disinfectants and Disinfectant Combinations (Alberta Ag, Food & Rural Development) HTML
- Cleaning and Disinfecting Poultry Equipment and Poultry Houses (University of California-Davis) PDF
- Cleaning and Disinfection of Premises (University of Connecticut) PDF
- Cleaning and Disinfection Your Poultry House (Cornell University) HTML
- Cleaning, Disinfection and Biosecurity (University of California-Davis) PDF
- Disinfectants and Sanitation (University of Maryland Extension) HTML
- Fumigation and Sanitation of Hatching Eggs (Mississippi State Unviersity Extension) HTML
- Poultry Water Line Sanitation (Mississippi State University Extension) PDF
- Sanitation-Disinfection Basics (University of California-Davis) HTML
- Sanitation of Hatching Eggs (Mississippi State Unviersity Extension) HTML
Vaccination
- General Principles of Vaccination (Canadian Poultry Consultants LTD) PDF
- H5N1 Influenza Virus Vaccine, Manufactured by Sanofi Pasteur, Inc. Questions and Answers (FDA) HTML
- How Do Vaccinations Protect Your Birds (Mississippi State University) PDF
- Manual of Diagnostic Tests and Vaccines for Terrestrial Animals (World Organization for Animal Health) HTML
- Maternal Antibody Transfer (Canadian Poultry Consultants LTD) PDF
- Poultry Vaccines for Use of Organic Farms (eXtension) HTML
- Procedure and Checklist for Water Vaccination of Meat Turkey Flocks (Utah State Unviersity) PDF
- Production of Safe and Uniform Infectious Bronchitis Vaccines (Auburn University) PDF
- Use of Anticoccidial Medications and Vaccines in Poultry Production (eXtension) HTML
- Vaccinating to Reduce Risks from Chronic Respiratory Disease (The Poultry Site) HTML
- Vaccination Guide for the Small Poultry Flock (University of Nebraska) PDF
- Vaccination in the Hatchery (The Poultry Site) HTML
- Vaccination of Small Poultry Flocks (University of Florida) PDF / HTML
- Vaccination Procedure Guide (Cobb-Vantress) PDF
- Vaccination Programs in Poultry (Merck Veterinary Manual) HTML
- Vaccine Failure in Poultry: Factors to Consider (University of Florida) PDF / HTML