Common Poultry Diseases. MD State Diagnositic Lab. MD Diagnostic Lab Services. Zoonotic Diseases. MD Reportable Diseases 6/15/18

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Annika McKillop DVM, MSpVM, DACPV Common Poultry Diseases Annika McKillop DVM, MSpVM, DACPV 5778 Indian Cedar Ct Frederick, MD 21703

com MD State Diagnositic Lab Frederick Animal Health Lab 1840 Rosemont Ave Frederick, MD 21702 Phone: 301-600-1548 Fax: 301-600-6111

Salisbury, MD 21801 Phone: 410-543-6610 Fax: 410-543-6676 AHSalisbury.mda@maryland.gov hrp://mda.maryland.gov/animalhealth/pages/laboratory.

50 Respiratory Panel (MD) AI, IBV, ILT, NDV- $36 Add on MS & MG, $10 ea Bacteriology (including Salmonella) Fecal MD Reportable Diseases

EEE Virulent Newcastle Disease Fowl Typhoid (Salmonella gallinarum) Infectious Bursal Disease Melioidosis Mycoplasma (commercial flocks

1 Annika McKillop DVM, MSpVM, DACPV Common Poultry Diseases Annika McKillop DVM, MSpVM, DACPV 5778 Indian Cedar Ct Frederick, MD Cell: MD State Diagnositic Lab Frederick Animal Health Lab 1840 Rosemont Ave Frederick, MD Phone: Fax: Salisbury Animal Health Lab NanOcoke Rd. Salisbury, MD Phone: Fax: hrp://mda.maryland.gov/animalhealth/pages/laboratory.aspx MD Diagnostic Lab Services Necropsy- MD=$12; Out of State $22.50 Respiratory Panel (MD) AI, IBV, ILT, NDV- $36 Add on MS & MG, $10 ea Bacteriology (including Salmonella) Fecal MD Reportable Diseases Zoonotic Diseases Adenovirus Avian Infectious Laryngotracheitis (ILT) Avian Influenza (AI) Chlamydiosis Duck Viral Enteritis & Hepatitis EEE Virulent Newcastle Disease Fowl Typhoid (Salmonella gallinarum) Infectious Bursal Disease Melioidosis Mycoplasma (commercial flocks only) Pigeon Paramyxovirus Pullorum Disease (Salmonella pullorum) Salmonellosis (S. enteritidis) Screwworms Tuberculosis Turkey Rhinotracheitis WNV Any suspected Foreign Animal Disease not listed Salmonella Campylobacter Listeria E. coli Influenza A- H5N1, H7N9 Newcastle Disease EEE/WEE/WNV Chlamydiosis (Chlamydophila psittaci)? Cryptosporidiosis? Mycobacterium avium 1

2 Things you Should Have on Hand Common Diseases by Symptom/ System Healthy vs. Sick Respiratory Dr. Brie Sarvis 2

3 Photo courtesy of Dr. John Barnes Pictures by Dr. John Barnes 3

Differentials Mycoplasma synoviae (MS) Mycoplasma gallisepticum (MG)

Avibacterium paragallinarum (Infectious Coryza) Aspergillosis Fowl Pox

Testing Respiratory Panel Real Time PCR for AI, NDV, IBV, ILT, + MS + MG

Bronchitis ~ 1% Laryngotracheitis ~1% Aspergillosis >1% Pox (wet form)

Diseases= Supportive care, Tx secondary bacterial infections Mycoplasma-

4 Differentials Mycoplasma synoviae (MS) Mycoplasma gallisepticum (MG) Infectious Laryngotracheitis (ILT) Infectious Bronchitis Virus (IBV) Avibacterium paragallinarum (Infectious Coryza) Aspergillosis Fowl Pox (wet form) Avian Influenza (AI) Newcastle Disease Virus (NDV) Diagnostic Testing Respiratory Panel Real Time PCR for AI, NDV, IBV, ILT, + MS + MG Plate testing ELISA AGID Bacteriology Necropsy Histopathology What I typically see. Avian Infuenza/Newcastle Dz Mycoplasma~75% Mycoplasma + IBV or ILT ~23% Bronchitis ~ 1% Laryngotracheitis ~1% Aspergillosis >1% Pox (wet form) Avian Influenza Newcastle Disease Treatment/Prevention Neurologic Viral Diseases= Supportive care, Tx secondary bacterial infections Mycoplasma- Tylosin, Erythromycin, Oxytetracycline Coryza- Erythromycin,Oxytetracycline, Sulfadimethoxine Prevent = Biosecurity Note- treatment doesn t cure, can have relapse 4

5 Lameness-Mareks Spondylolisthesis vs. Enterococcus cecorum Dr. John Barnes Dr. John Barnes Dr. John Barnes Lameness/Neurologic- Renal Damage Neurologic InfecOous BronchiOs Dr. Virginia Pierce Bacterial Neurologic Neurologic Avian Influenza Newcastle Disease Virus Avian encephalomyelitis (young) Fungal (Aspergillosis, Dactylaria) Bacterial (Chronic Cholera [Pasteurella multocida]) Vit. E/Selenium Deficiency EEE/WEE/WNV Mareks Argus ticks Lameness by Infectious Bronchitis/Kidney Damage Botuslism (Clostridium botulinum) 5

6 Obesity Treats Treat: Anything other than commercial feed, grit, and oyster shell No more than 5-7% diet 2 Tbsp couple times a week Give at end of the day If giving fruit/veggies Take away after ~15 mins Avoid processed foods, corn/scratch, seed cakes Photo: hrp:// Emaciation 6

7 Male/Female Ratio 1:15 Dominant Female End of Lay Feather Louse contributes to feather loss Separate aggressive birds. Or hrp://everything-poultry.com/wp-content/uploads/ 2011/08/21396_2.jpg hrp://crankypuppy.blogspot.com/2012/08/pinless-peepers.html Doc My bird got some bumps Dr. Pierce Dr. Pierce My Rooster/A hawk got my hen! 7

8 My Birds Feathers are Dirty My Birds Have Red Mites Treatment My bird has deformed Feet/Legs Mites Treat Environment and birds Permethrin or Spinosad Spray (environment), Dust/spray bird. Spray as labeled Environment most important in control Lice Treat Birds. Removed large nits Permethrin Dust/Spray or Spinosad Spray Spray:Treat as labeled Dust: every 2 weeks until nits/lice gone Knemidocoptes mutans Apply daily for 2+ weeks Frostbite :o( Prevent 8

9 Tendon Synovitis Dr. John Barnes Dr. John Barnes E.coli Mycoplasma synoviae Staph Bumblefoot Bumblefoot Splay Leg GI 9

10 GI- My birds breath smells Candidiasis Often with pendulous crop Tx: Nystatin 300, ,000 IU BID Upper Digestive Upper/Mid Digestive My birds are dying/bloody poop Cocci Tx: Amprolium, Sulfadimethoxine 10

11 Necrotic Enteritis Round worms Dx: Necropsy, fecal smear/ acid fast Tx: Chlortetracycline, Sulfa s, Lincomycin, Eythromycin Dr. Virginia Pierce Prolapse Reproductive My birds stopped laying/lay lash eggs Ovarian Carcinoma 11

DISEASES OF CHICKENS AND TURKEYS CORRELATED WITH AGE

DISEASES OF CHICKENS AND TURKEYS CORRELATED WITH AGE By knowing the species affected, salient clinical feature, and age of the flock, it is often possible to make a list of potential differential diagnoses. In the following table, some of the more common