Abstract
ackground: Poultry sector is a vital zone of Pakistan economy and is a feasible source of animal derivative protein. In term of mortality and morbidity the development of this segment is significantly affected by a lot of problems. Hazara region is well known for poultry in Pakistan. Colibacillosis, caused by Escherichia coli is vital disease among poultry of all ages resulting in huge economic losses. The aim of this
study was to evaluate the prevalence of colibacillosis in young broiler chickens and antibiogram of E. coli in different areas of Hazara region.
Methods: The current study was conducted to evaluate the prevalence of colibacillosis in young broiler chickens and antibiogram of E. coli. This study was done during February 2019 to June 2019; a total of 200 (n=200) liver samples of freshly dead young broiler chicks were randomly collected from the postmortem section of Veterinary
research and disease investigation center Abbottabad (VRDICA). The identification of E. coli was confirmed by gram staining and biochemical tests. Susceptibility pattern to 13 antibiotics was also checked.
Results: Total of 200 (n=200) samples were brought to the VRDICA for the diagnosis of disease and antibiotic susceptibility testing. Out of these 130 were positive (Overall prevalence =65%).Area wise prevalence varied from area to area and highest prevalence was recorded in Abbottabad (81.11%) followed by Havelian (75%),
Manghal (72.22%), Mansehra (60%), Qalandarabad (50%) and Haripur (28.57%). About age group, highest mortality was found in 11-15 days old chicks (93%) as compared to 6-10days (83.33%) and 1-5 days old chicks (21.42%). Antibiogram showed highest sensitivity to Gentamicin (100%) afterward Colistin Sulphate (92.30%). However, lincomycin (92%) and streptomycin (96%) display highest resistance.
Conclusion: In this study, the highest prevalence of infection was observed in young chicks that play a crucial role in their mortality. E. coli had showed resistance to commonly recommended antibiotic so care should be taken while prescribing the drugs.
Aysha Tahir, Muhammad Azam Khan, Kayanat Bibi, , Sana Bibi, Fatima Rauf, Farwa Ayaz. (2020-2021) Prevalence of Colibacillosis in Young Broiler Chicks and Antibiogram of Escherichia coli in Different Areas of Hazara Region, Advancements in Life Sciences, Volume-8, Issue 3.
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