Các loài Listeria kháng đa thuốc từ sữa và sản phẩm từ sữa

Nitasha Sambyal1, M. Rashid1, S. K. Kotwal1, Majueeb U. Rehman1
1Division of Veterinary Public Health and Epidemiology, Sher-e Kashmir University of Agricultural Sciences and Technology, Jammu, India

Tóm tắt

Tổng cộng 295 mẫu đã được phân tích từ sữa (110), kalaari (110), kem (75) nhằm làm rõ sự phổ biến của các loài Listeria trong và xung quanh Jammu. Tổng tỷ lệ phổ biến của các loài Listeria là 8 (2,71%). Listeria monocytogenes được phân lập từ 7 mẫu (2,37%) bao gồm 3 (2,72%) trong sữa, 4 (3,63%) trong kalaari và một mẫu phân lập Listeria ivanovii (4,54%) từ kem. Tỷ lệ phổ biến cao hơn trong các tháng mùa đông (p < 0,05). Tất cả các mẫu phân lập của L. monocytogenes (n = 7) và L. ivanovii (n = 1) đều có khả năng gây tan máu và các thử nghiệm Christie, Atkins, Munch-Peterson đều cho kết quả dương tính, trong khi 5 mẫu L. monocytogenes và một mẫu L. ivanovii cho kết quả dương tính với phosphatidylinositol-specific phospholipases C. Tất cả các mẫu Listeria đều nhạy cảm với Amoxicillin + Sulbactam Ampicillin, Erythromycin và Enrofloxacin, Levofloxacin, Gentamycin và kháng đa thuốc với Amikacin, Cephalexin, Cefixime, Cefuroxime và Oleandomicin.

Từ khóa

#Listeria #Listeria monocytogenes #Listeria ivanovii #kháng sinh #sữa #kalaari #kem

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