Poultry Diseases

Question 1

Avian Chlamydophilosis (Chlamydophilia psittaci)

Answer 1

Clinical Signs: respiratory signs, conjunctivitis, anorexia, ruffled feathers, trembling & ataxia
ZOONOTIC/ VX AVAILABLE
BACTERIAL DISEASE

Question 2

Botulism (Clostridium botulinum)
AKA Limberneck

Answer 2

Clinical Signs: flaccid paralysis predominant
ZOONOTIC
BACTERIAL DISEASE

Question 3

Colibacilosis (Escherichia coli (APEC))

Answer 3

Clinical Signs: anorexia, listless, ruffled feathers, heads tucked by their bodies, difficulty breathing
Causes: yolk sac infection, egg peritonitis, coligranuloma, or colisepticemia
ZOONOTIC
BACTERIAL DISEASE

Question 4

Erysipelas (Erysipelothrix rhusiopathiae)

Answer 4

Clinical Signs: sudden death or dying after acute depression and diarrhea, cyanotic (blue) head in turkeys
ZOONOTIC/VX AVAILABLE
BACTERIAL DISEASE

Question 5

Fowl Cholera (Pasturella multocida)

Answer 5

Clinical Signs: sudden death, anorexia, discharge from the mouth and nose, diarrhea, cyanosis, ruffled feathers, depression
Vaccination in the face of an outbreak
Reportable
BACTERIAL DISEASE

Question 6

Salmonella (Salmonella enterica)
AKA: Paratyphoid

Answer 6

Gram negative bacillus
Clinical Signs: depression, ruffled feathers, drooping wings, and diarrhea
ZOONOTIC
BACTERIAL DISEASE

Question 7

Infectious Coryza
(Avibacterium paragallinarum)

Answer 7

Clinical signs: facial edema, nasal & ocular discharge, swollen combs and eyes, conjunctivitis and difficulty breathing
Vaccination in the face of an outbreak
BACTERIAL DISEASE

Question 8

Mycoplasmosis
(Mycoplasma gallisepticum, Mycoplasma synoviae, Mycoplasma meleagridis, and Mycoplasma iowae)

Answer 8

Clinical Signs: nasal discharge, conjunctivitis, sneezing, sinusitis, open-beak breathing and ocular discharge, and sudden death
VX AVAILABLE
BACTERIAL DISEASE

Question 9

Necrotic Enteritis
(Clostridium perfringens)
AKA: Hepatic Disease

Answer 9

Clinical Signs: sudden death, diarrhea, depression, decreased feed intake, decreased movement, huddling, ruffled feathers.
BACTERIAL DISEASE

Question 10

Omphalitis (E. Coli, Bacillus cereus, Staphylococci, Pseudomonas aeruginoas, Proteus spp., and Clostridia.)
AKA: Mushy Chick Disease or Yolk Sac Infection

Answer 10

Clinical Signs: depression, distended abdomen, huddling of the chicks
BACTERIAL DISEASE

Question 11

Aspergillosis (Aspergillus fumigatus, Aspergillus flavus, Aspergillus niger, Aspergillus glaucus, and Aspergillus terrus)
AKA: Brooder Pneumonia

Answer 11

Clinical signs: anorexia, gasping, respiratory disease, blindness, neurological fungal metastasis
VX available but not practical in a commercial environment
MICROBIAL DISEASE

Question 12

Histomoniasis (Histomonas meleagridis)
AKA: Infectious enterohepatitis and blackhead

Answer 12

Clinical Signs: depression, anorexia, cyanosis of the head and diarrhea of yellow color
MICROBIAL DISEASE

Question 13

Avian Influenza (Orthomyxoviridae)

Answer 13

Clinical Signs: sudden death, cessation of egg laying, respiratory signs, increased lacrimation, edema of the head and face, cyanosis, diarrhea, ataxia, tremoring and rales
VX AVAILABLE
VIRAL DISEASE

Question 14

Avian Leukosis (Retroviridae)
AKA: Marek’s disease and lymphoid leukosis

Answer 14

Clinical Signs: tumors, lameness or paralysis
Vaccination at hatching
VIRAL DISEASE

Question 15

Avian Pox (Poxvirus)

Answer 15

Two Infectious Forms: Intracellular & Extracellular
Clinical Signs: skin lesions, pneumonia, or diphtheria
Vaccine available
VIRAL DISEASE