Poultry diseases and treatment
Dr. Mujeeb Ather Asst. Director (Pathologist)
Veterinary Biological Research Institute, Hyderabad .
INFECTIONS CORYZA
- IT IS AN ACUTE BACTERIAL DISEASE OF CHICKENS CAUSED BY
HAEMOPHILUS PARAGLLINARUM
- THE GREATEST ECONOMIC LOSSES RESULT FROM POOR GROWTH
PERFORMANCE IN GROWING BIRDS.
- MARKED REDUCTION (10-40%) IN EGG PRODUCTION IN LAYERS
TRANSMISSION:
- CHRONIC OR HEALTHY CARRIER BIRDS HAVE LONG BEEN RECOGNIZED
AS THE MAIN RESERVOIR OF INFECTION (AIR BORNE).
SYMPTOMS:
1. INCUBATION PERIOD IS VERY SHORT 24-48 HOURS.
- SEROUS TO MUCOID NASAL DISCHARGES.
- DIARRHOEA, DECREASE IN FEED AND WATER COMSUMPTION.
- REDUCTION IN EGG PRODUCTION (10 TO 40%)
- HIGH MORBIDITY AND LOW MORTALITY.
GROSS LESIONS:
- CATARRHAL EXUDATE IN NASAL PASSAGES AND SUINUSES.
- CATARRHAL CONJUCTIVITIS, OEDEMA OF FACE AND WATTLES.
- PNEUMONIA AND AIR SACCULITIS ARE RARELY PRESENT.
Facial Oedema
DIAGNOSIS:
- SYMPTOMS AND GROSS LESIONS.
- ISOLATION AND IDENTIFICATION OF THE ORGANISAM.
- SEROLOGICAL TESTING LIKE TUBE AGGLUTINATION AND HI.
TREATEMENT:
- CULTURE AND SENSITIVITY TEST.
- LIXEN IS ONE OF THE DRUGS OF CHOICE.
PREVENTION AND CONTROL:
2. IMMUNIZATION |
