Bacterial poultry diseases mainly include
A. Avian influenza, Bronchitis, Ranikhet
B. Enteritis, TB, CRD
C. Favus, Thrush, Aspergillosis
D. Bird flu, Coccidiosis, Pullorum

Hint: A disease is an abnormal condition that affects the functioning of the body. Diseases are the medical conditions that are associated with specific symptoms and signs.

Complete Answer:
Poultry: Poultry are the domesticated birds. These birds are kept by the humans for their eggs, meat and their feathers. Poultry also include the birds that are killed for their meat.
- The word poultry came from the French word i.e ‘Poule’ which itself derived from the Latin word ‘Pullus’ which means small animals.
- Poultry animals include birds like chickens, fowls, turkey, etc.
- Poultry farming is a practice of animal husbandry in which birds are domesticated for their meat, feathers and eggs.
- Poultry farming has originated from the agricultural era.

Bacterial Poultry disease:
Poultry diseases are the disease that affect the poultry animals. Bacterial poultry diseases are caused by the bacteria. Bacterial poultry disease include-
1. Colibacillosis (Coliform infections) – This disease is caused by the E. coli. Infection may result in respiratory disease from air sac infection.
2. Mycoplasmosis (CRD, air sacs, Sinusitis) – This disease is caused by the Mycoplasma gallisepticum. This disease is associated with chronic respiratory disease (CRD) or air sac syndrome in poultry.
3. Fowl Cholera – Fowl cholera is an infectious disease. This disease is caused by Pasteurella multocida. It is a respiratory disorder.
4. Necrotic enteritis – It is an acute disease that causes the destruction of the intestinal lining of the digestive tract. The causative agent for this disease is Clostridium perfringens.
5. TB – TB refers to Avian Tuberculosis. This disease is caused by the Mycobacterium avium. It is a chronic bacterial infection that spreads slowly through a flock.
Therefore, as we have seen in the above discussion that the bacterial poultry disease mainly includes Enteritis, Tb, CRD.

Hence, option B is the correct answer for this question.

Note: Apart from the bacteria, poultry diseases are also caused by the viruses, parasites, fungi and protozoans. The viral poultry diseases include Chicken anaemia virus, infectious bursal disease, lymphoid leukosis, Marek’s disease, Avian influenza, etc. Parasitic poultry disease include Scaly leg, worms in chicken, etc. Fungal poultry diseases include Ergotism, Aspergillosis, Sour crop, Ringworm, etc. Protozoal diseases include Histomoniasis, Coccidiosis, etc.