Causative Agents

Question 1

Causative agent of Streptococcosis

Answer 1

Streptococcus spp

Question 2

Colibacillosis causative agent

Answer 2

Avian Pathogenic Escherichia coli (APEC)

Question 3

Blackhead Disease (Histomoniasis or Infectious Enterohepatitis) causative agent

Answer 3

Histomonas meleagridis

Question 4

Leucocytozoonosis (Blood Parasite Disease or Avian Malaria) causative agent

Answer 4

• Leucocytozoon caulleryi in chickens
• Leucocytozoon smithi in turkeys
• Leucocytozoon simondi in ducks and geese

Question 5

Avian Malaria causative agent

Answer 5

Plasmodium relictum

Question 6

Avian Trichomonosis causative agent

Answer 6

Trichomonas gallinae

Question 7

Aspergillosis (Brooder Pneumonia) causative agent

Answer 7

Aspergillus fumigatus and Aspergillus flavus

Question 8

Favus (White Comb) causative agent

Answer 8

1. Trichophyton gallinae
2. Microsporum gallinae

Question 9

Avian Mycotoxicosis causative agent

Answer 9

Mycotoxins produced by Aspergillus flavus, Aspergillus parasiticus or Penicillium puberulum.

OR

species of the Aspergillus, Penicillium, and Fusarium genera

Question 10

Ascaridia galli Infection (Ascaridiosis, Ascarid infection) causative agent

Answer 10

Ascaridia galli