Topics:
Animal Refresher, Poultry Science
Viral Diseases of Poultry
Which of the following is a viral disease of poultry?
- Ranikhet disease only
- Gumboro disease only
- Marek's disease only
- All of the above (Ranikhet, Gumboro, and Marek's disease) — Correct Answer
Explanation:
Correct Answer: All of the above
Ranikhet disease, Gumboro disease, and Marek's disease are all important viral diseases of poultry.
Summary of Key Poultry Viral Diseases
| Disease | Causative Agent | Key Feature |
|---|---|---|
| Ranikhet (Newcastle Disease) | Paramyxovirus | Respiratory + nervous signs; vaccination mandatory |
| Gumboro (IBD) | Birnavirus | Bursa of Fabricius destruction; immunosuppression |
| Marek's Disease | Herpesvirus (HVT) | Lymphoma; paralysis; vaccination at day 1 |
| Fowl Pox | Poxvirus | Skin lesions or diphtheritic membrane |
| Infectious Bronchitis (IB) | Coronavirus | Respiratory and reproductive lesions |
Standard Broiler Vaccination Schedule
Broilers are vaccinated against exactly three diseases: Marek's disease, Gumboro (IBD), and Ranikhet (Newcastle Disease).
- Marek's disease + Debeaking: Day 1 (hatchery)
- Gumboro (IBD): 14th day
- Ranikhet (F1 strain): 21st day
Why Other Options Are Wrong
- Any single option alone is incomplete since all three are viral diseases.
📚 About this Topic — Animal Refresher
This multiple choice question is from Animal Refresher, Poultry Science. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.
