Seroprevalence of Neospora caninum in dairy buffaloes ( Bubalus bubalis ) was assessed in the Lahore District of Punjab Province, Pakistan. The study revealed an overall prevalence of 54.7% for N. caninum antibodies determined through a competitive enzyme-linked immunosorbent assay performed on randomly collected serum samples. The highest prevalence was observed in buffaloes >3-5 yr of age (64.1%), followed by 57.9% for 5 to 6 yr olds, and 55.8% in 1-yr-old neonates, with high probability of infection under intensive dairy farming conditions. The pattern of prevalence was closely associated with the season as reflected by the highest prevalence (70.5%) in summer (May-August) and lowest (39.6%) in winter (November-January). Aborting buffaloes illustrated significantly higher (78.9%) exposure compared with non-aborting dams (59.8%). Prevalence in animals with canine contact was significantly higher (60.3%) than without contact (48.1%). This is the first reported prevalence of N. caninum in Pakistan.
Brucellosis is one of the most important zoonoses in developing countries and was considered the most widespread zoonosis in the world. Brucellosis was reported in camels and has been reported from all camel-keeping countries.The present study was performed in three districts (Jhang, Chiniot, and Bhakkar) of Punjab province of Pakistan. A total of 200 camel (Camelus bactrianus) sera were collected using random and multistage cluster sampling from different areas. Fifty samples were collected from one organized governmental farm. One hundred fifty samples were collected randomly from nomadic/pastoral production systems. All sera were tested with Rose Bengal plate agglutination test (RBPT) and confirmed by ELISA. Genomic DNA was extracted from all serum samples and tested by real-time PCR. Various potential risk factors (season, rearing with other animals, and abortion or orchitis history) recorded through questionnaires were statistically analyzed by Chi-square test.In total, 5 % of investigated sera were positive by RBPT. Only 2 % of the camel sera were CELISA positive. Brucella abortus DNA was detected in 1.5 % of the investigated animals. Season, rearing of camels with other ruminants, abortion, and orchitis history were found to be statistically significant (p < 0.05) disease for determinants.Camel brucellosis is a zoonotic disease in the Pakistani Punjab with various risk factors maintaining and perpetuating its spread. Therefore, there is a need for implementing control measures and raising public health awareness in prevention of brucellosis in Pakistan.
The present study evaluated the therapeutic efficacy of azithromycin, co-trimoxazole and kalvangi (Nigella sativa, also known as Black Cumin) against Cryptosporidium parvum infection in calves under field conditions. The experimental calves were treated with azithromycin (group A) at 1500 mg/calf/day, co-trimoxazole (group B) at 30 mg Kg-1 and kalvangi seeds powder (group C) at 750 mg Kg-1 BW orally for 7 days. Calves in the group D were naturally infected with C. parvum , untreated animals (positive control) while the calves in the group E were uninfected negative control animals. A significant decrease (p < 0.05) in oocyst counts for calves in groups A, B and C was observed compared to group D. When the oocyst counts amongst the treatment groups A, B and C were compared, a significant decrease (p < 0.05) was observed in group A. On day 21 post-treatment, the efficacy of azithromycin, co-trimoxazole and kalvangi in calves was 88.2% (95% C.I. ± 15.4), 45% (95% C.I. ± 21.8) and 27.8% (95% C.I. ± 20.7), respectively. This study confirmed previous reports of azithromycin efficacy against C. parvum infection, but found co-trimoxazole and kalvangi to be ineffective for this infection under these treatment regimens.
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