Prevalence of Salmonella Diarrhea in Holstein Calves in Golestan Province and determine its antibiotic resistance pattern

Atefeh Bozorgi Makrani ©, Sara Sayah Kashani, Mehdi Sharifi Soltani

Prevalence of Salmonella Diarrhea in Holstein Calves in Golestan Province and determine its antibiotic resistance pattern

کد: G-92417

نویسندگان: Atefeh Bozorgi Makrani ©, Sara Sayah Kashani, Mehdi Sharifi Soltani

زمان بندی: زمان بندی نشده!

برچسب: میکروب شناسی

دانلود: دانلود پوستر

خلاصه مقاله:

Background and Aim

Neonatal calf diarrhea remains one of the most important problems faced by livestock, causing great economic losses. This study investigated the prevalence of Salmonella spp. in diarrheic calves.

Methods

Fecal and rectal samples were collected from 57 diarrheic calves up to 3 months of age from Livestock farms in Golestan province was collected in 2020. Stool samples from each calf were transferred to the microbiology laboratory in enrichment media (Selenite F Broth) and the necessary bacteriological tests were performed on them to isolate Salmonella spp. For data analysis, SPSS 22 and frequency distribution table were used (P-value less than 0.05).

Results

Based on bacterial culture results, the prevalence’s of Salmonella spp. in diarrheic calves was 37%. Results showed 37% of diarrheic calves were male and 33% was female, so there was no significant difference (P-value higher than 0.05) between male and female diarrheic calves. The in-vitro antibiotic sensitivity test indicated that Salmonella spp. showed high sensitivity against ceftriaxone (62%), gentamicin (57%) and amoxicillin (30%). Salmonella spp. isolates was resistant to tetracycline (100%) and cefazolin (95%).

Conclusion

Results of the present study showed that Salmonella spp. isolated from diarrheic calves in farms exhibited resistance to multiple classes of antimicrobials, which may pose a public health hazard.

Keywords

Diarrhea; Neonatal calf; Fecal and rectal samples; Salmonella spp; Antibiotic resistance

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