| Disease | Causative Agent | Type | Main Symptoms | Treatment | Prevention |
| Salmonellosis (Pullorum Disease) | Salmonella pullorum | Bacterial | Lethargy, white diarrhea, huddling, dehydration | Antibiotics (sulfamethazine, ampicillin), supportive care | Vaccination, biosecurity, testing breeding stock |
| Fowl Cholera | Pasteurella multocida | Bacterial | Sudden death, fever, respiratory distress, swollen wattles | Antibiotics (penicillin, tetracycline, sulfonamides) | Vaccination, biosecurity, rodent control |
| Necrotic Enteritis | Clostridium perfringens | Bacterial | Depression, diarrhea, dehydration, sudden death | Antibiotics (bacitracin, lincomycin), probiotics | Coccidiosis prevention, proper nutrition, hygiene |
| Infectious Coryza | Avibacterium paragallinarum | Bacterial | Nasal discharge, facial swelling, conjunctivitis | Antibiotics (sulfamethazine, erythromycin) | Vaccination, all-in-all-out management |
| Mycoplasmosis (CRD) | Mycoplasma gallisepticum | Bacterial | Respiratory rales, coughing, nasal discharge | Antibiotics (tylosin, enrofloxacin, doxycycline) | Mycoplasma-free breeding stock, biosecurity |
| Colibacillosis | Escherichia coli | Bacterial | Septicemia, respiratory signs, peritonitis | Antibiotics (enrofloxacin, amoxicillin), supportive care | Hygiene, stress reduction, proper ventilation |
| Staphylococcosis | Staphylococcus aureus | Bacterial | Arthritis, bumblefoot, dermatitis, septicemia | Antibiotics (penicillin, novobiocin), wound care | Proper flooring, wound prevention, hygiene |
| Fowl Typhoid | Salmonella gallinarum | Bacterial | Anemia, yellow-green diarrhea, listlessness | Antibiotics (furazolidone, sulfamethazine) | Testing and culling, biosecurity, vaccination |
| Disease | Causative Agent | Type | Main Symptoms | Treatment | Prevention |
| Newcastle Disease | Newcastle Disease Virus (NDV) | Viral | Respiratory distress, nervous signs, diarrhea | Supportive care only (no antiviral available) | Vaccination, quarantine, biosecurity |
| Avian Influenza (HPAI) | Influenza A virus | Viral | Sudden death, respiratory distress, neurological signs | None (reportable disease – depopulation required) | Biosecurity, surveillance, movement restrictions |
| Infectious Bronchitis | Avian coronavirus (IBV) | Viral | Respiratory rales, coughing, reduced egg production | Supportive care, secondary infection prevention | Vaccination, biosecurity |
| Infectious Bursal Disease (Gumboro) | Infectious Bursal Disease Virus (IBDV) | Viral | Depression, watery diarrhea, immunosuppression | Supportive care, prevent secondary infections | Vaccination, biosecurity |
| Marek’s Disease | Gallid alphaherpesvirus 2 | Viral | Paralysis, tumors, vision loss, weight loss | None (supportive care only) | Vaccination at hatch, biosecurity |
| Fowl Pox | Fowlpox virus | Viral | Skin lesions, respiratory lesions (wet form) | Supportive care, antiseptic treatment of lesions | Vaccination, mosquito control, biosecurity |
| Avian Encephalomyelitis | Avian Encephalomyelitis Virus (AEV) | Viral | Tremors, ataxia, paralysis in chicks | Supportive care only | Vaccination of breeders, biosecurity |
| Infectious Laryngotracheitis | Gallid alphaherpesvirus 1 | Viral | Gasping, bloody mucus, head extension | Supportive care, prevent secondary infections | Vaccination, biosecurity, all-in-all-out |
| Egg Drop Syndrome | Duck adenovirus A | Viral | Sudden drop in egg production, thin-shelled eggs | Supportive care only | Vaccination, biosecurity |
| Chicken Anemia Virus | Chicken Anemia Virus (CAV) | Viral | Anemia, immunosuppression, stunting | Supportive care, prevent secondary infections | Maternal immunity, biosecurity, vaccination |