Poultry 2

Question 1

What serotypes of salmonella enterica are host adapted in birds?

Answer 1

S pullorum

S gallinarum

Question 2

Clinical signs of pullorum disease?

Answer 2

“Bacillary white diarrhea”

Often pasted around the vent, gray nodules in lungs, liver, gizzard, heart and intestines

Question 3

What causes fowl typhoid?

Answer 3

Salmonella gallinarum

Question 4

T/F: fowl typhoid has similar signs to pullorum disease

Answer 4

True

Question 5

What salmonella causes paratyphoid?

Answer 5

S. Typhimurium
S. Enteritidis
S. Arizonae

Question 6

What are signs of paratyphoid?

Answer 6

Dehydration, enteritis, focal necrosis of SI, unabsorbed yolk sac, omphalitis

Birds die acutely from septicemia

Question 7

How is salmonellaenteritidis transmitted?

Answer 7

Trans-ovarian transmission to egg

Question 8

What species of salmonella causes diarrhea, pasty vents, huddling, and eye infections in turkey poults less than 3 weeks of age?

Answer 8

Salmonella Arizonae

Transovarian transmission

Question 9

What diseases can Ecoli cause in chickens?

Answer 9

Airsacculitis — caseous exudate 
Omphalitis 
Coli granuloma (Hjarre’s dz)

Enteritis, salpingitis, arthritis
Panopthalmitis - hypopyon in which one eye is blind

Question 10

What is the most important enterotoxin of clostridium infections?

Answer 10

Type C

Question 11

T/F: birds are highly resistant to tetanus

Answer 11

True

Question 12

What causes flaccid paralysis is ducks?

Answer 12

Botulism “limberneck”

Question 13

What causes an ulcerative enteritis in quail?

Answer 13

Clostridium colinum

Question 14

What causes a necrotic enteritis in turkeys and chickens?

Answer 14

C perfringens

Question 15

What causes a gangrenous dermatitis?

Answer 15

Multiple pathogens - clostridium and staph

Question 16

Clinical signs of gangrenous dermatitis?

Answer 16

Swollen feet and legs
Wing tips and inner thighs red and sloughing
SQ emphysema

Question 17

What does mycobacterium avium cause?

Answer 17

Avian tuberculosis

Emaciation, diarrhea, soiling of tail feathers, death

Question 18

What would you see on necropsy of a bird with avian tuberculosis?

Answer 18

Tubercular granulomas of intestines, liver, spleen, and bone marrrow

Question 19

How can you test live birds for tuberculosis?

Answer 19

Avian tuberculin into wattle

Question 20

T/F: avian tuberculosis is zoonotic

Answer 20

True

Immunocompromised people

Question 21

What species does mycobacterium genavense affect?

Answer 21

Duck

Question 22

What is “duck plague”?

Answer 22

Highly contagious viral enteritis

Herpes virus of waterfowl

REPORTABLE

Question 23

What pathology does duck viral enteritis cause?

Answer 23

Viremia —>. Vascular damage

Bloody diarrhea, bloody conjunctivitis, nasal discharge
Hemorrhage in all organs

Question 24

What type of virus causes duck viral enteritis?

Answer 24

Herpes virus

Question 25

What type of virus causes duck viral hepatitis?

Answer 25

Picornavirus (RNA)

Question 26

T/F: duck viral hepatitis has high morbidity and high mortality

Answer 26

True Clinical signs are ataxia, weakness, falling to side and kicking spasmodically, opisthotonos

Question 27

What does erysipelas cause in turkeys?

Answer 27

“Red skin” Sudden death, squatting, depressed, unsteady gait, swollen snood, erysipelas blush ZOONOTIC

Question 28

Birds were suffering from diarrhea, vent picking, and dehydration.. On necropsy you find a large edematous bursa.. What is this?

Answer 28

Infectious bursal disease

Question 29

What type of virus causes infectious bursal disease?

Answer 29

Birnavirus Can vaccinate Recovered chicks are immunocompromised

Question 30

What are the two neoplasic disease of chickens?

Answer 30

Marek’s disease: herpesvirus endemic in chicken flocks Lymphoid leukosis complex: retrovirus leukosis/sarcoma

Question 31

Lymphoid infilatraiton of nerve trucks and origins Enlarged sciatic nerve Lymphoid tumors in various organs Partial paralysis, blindness and visceral tumors Swollen joints What disease is this?

Answer 31

Marek’s disease | Neurolymphatosis

Question 32

What causes lymphoid leukosis in chickens?

Answer 32

Oncogenic retrovirus

Question 33

Where are tumors located in lymphoid leukosis ??

Answer 33

Neoplasia of bursa and liver, metastasis to other organs — b lymphocyte tumros

Question 34

Common problems of backyard flocks?

Answer 34

``` Poor nutrition Ectoparasites: lice and mites Foot trauma: pododermatitis Predators Foreign body ingestion Cancer and heart dz ```