meatTheory and practice of meat processingТеория и практика переработки мяса2414-438X2414-441XФГБНУ «Федеральный научный центр пищевых систем им. В.М. Горбатова» РАН10.21323/2414-438X-2026-11-3-238-246meat-625Research ArticleСтатьиSalmonella contamination and antimicrobial resistance in farmed Bandicota indicahttps://orcid.org/0009-0007-4803-3302AutkeawS.

Sasicha Autkeaw, DVM, Former Student

Nakhon Sawan Road, Talat Sub-district, Mueang Maha Sarakham District, Maha Sarakham Province, 44000

62012210039@msu.ac.thhttps://orcid.org/0009-0002-4639-7878RujirapisitS.

Sirada Rujirapisit, DVM, Former Student

Nakhon Sawan Road, Talat Sub-district, Mueang Maha Sarakham District, Maha Sarakham Province, 44000

62012210040@msu.ac.thhttps://orcid.org/0009-0007-2332-4883MoolprahasS.

Supanat Moolprahas, DVM, Former Student

Nakhon Sawan Road, Talat Sub-district, Mueang Maha Sarakham District, Maha Sarakham Province, 44000

62012210042@msu.ac.thhttps://orcid.org/0000-0003-3985-0072YossapolM.

Montira Yossapol, PhD, Assistant Professor

Nakhon Sawan Road, Talat Sub-district, Mueang Maha Sarakham District, Maha Sarakham Province, 44000

montira.y@msu.ac.thhttps://orcid.org/0000-0002-7190-3077PongthaisongP.

Pongphol Pongthaisong, PhD, Assistant Professor

Nakhon Sawan Road, Talat Sub-district, Mueang Maha Sarakham District, Maha Sarakham Province, 44000

pongphol.p@msu.ac.thFaculty of Veterinary Sciences, Mahasarakham UniversityThailand202611102026113238246Copyright © Autkeaw S., Rujirapisit S., Moolprahas S., Yossapol M., Pongthaisong P., 20262026Autkeaw S., Rujirapisit S., Moolprahas S., Yossapol M., Pongthaisong P.Autkeaw S., Rujirapisit S., Moolprahas S., Yossapol M., Pongthaisong P.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.meatjournal.ru/jour/article/view/625

The consumption of farmed Greater bandicoot rats (Bandicota indica) is increasingly popular in Thailand, yet food safety data remain limited. This preliminary study assessed the prevalence of Salmonella spp. contamination and antimicrobial resistance patterns in farmed B. indica in Mahasarakham Province, northeastern Thailand. The study comprised three components: (1) determination of Salmonella spp. prevalence using two sampling methods (carcass wash water and meat wash (homogenate of muscle tissue in buffered peptone water)) from 60 rats across 6 farms; (2) comparison of detection rates between the two methods; and (3) antimicrobial susceptibility testing of isolates against seven antibiotics using the disk diffusion method following CLSI guidelines. Salmonella spp. contamination was detected in 100% of farms (6/6), with sample-level prevalence of 70% (42/60) for carcass wash and 58.3% (35/60) for meat wash methods. Antimicrobial resistance testing of 42 isolates revealed high resistance to tetracycline (52.38%), followed by ampicillin (19.05%), cefazolin (14.29%), streptomycin (7.14%), ciprofloxacin (4.76%), and nalidixic acid (2.38%), with no resistance to sulfamethoxazole/trimethoprim. The universal farm-level contamination and high antimicrobial resistance rates, particularly to tetracycline, indicate significant public health concerns. These baseline data highlight the need for improved hygiene practices in rat farming, processing, and consumption, as well as surveillance programs to monitor antimicrobial resistance patterns in this emerging food animal sector.

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The authors declare that there are no conflicts of interest present.