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Online Journal of Veterinary Research©
Volume 22 (3):216-228, 2018.
Prevalence of tuberculosis, epidemiology and changes in blood of buffaloes in Pakistan.
M. Tariq Javed, Mahmood Usman, Monica Cagiola*, Muhammad Irfan and Imtiaz Ahmad
Department of Veterinary Pathology, University of Agriculture, Faisalabad, Pakistan. *Instituto Zooprofilattico Sperimentale Delle Umbria E Delle Marche, Perugia, Italy.
Javed MT, Usman M, Cagiola M, Irfan M, Ahmad I., Prevalence of tuberculosis, epidemiology and blood changes in buffaloes in Pakistan, Onl J Vet Res., 22 (3):216-228, 2018. We describe prevalence of tuberculosis at one farm with 165 buffalo and another with 163 in Punjab, Pakistan detected by intradermal tuberculin and purified protein (PPD) tests. Results were assessed at 72 hours as no reaction, doubtful with a 2-4 mm dermal reaction and definite >4 mm skin or diffuse inflammatory reaction. Blood was assessed for RBC, WBC, haemoglobin, PCV, ESR and differential leukocyte count, serum total protein, albumin and serum globulins. Epidemiological data was collected. We found incidence ranging from 8.48 percent (14/165) to 2.45 percent (4/163). At both farms we found high levels of doubtful reactions. Reactions in buffalo over 6 years of age were greater (P < 0.03), higher in weights below 550 kg (P = <0.005), less than 3 partus (P < 0.001) or milk production of 5-7 litres (P < 0.05). Number of buffalo, species and vicinity to villages had greater effect on prevalence than farm conditions per se. We found decreased RBC and ESR (P < 0.05). Serum proteins and globulins were higher in buffaloes with positive PPD (P < 0.05) and changes in serum total proteins correlated with globulins (r = 0.918; P = 0.0001) and doubtful reactors (r = 0.691 ; P = 0.0015).
Key words: Tuberculosis, prevalence, epidemiology, blood, Pakistan.