The results of the antibiogram showed that all of these HPS were multiresistant bacteria. The percentage of isolates resistant to 7 types, 6 types and 5 types of antibiotics was , and respectively. Resistance rate was highest forty losin (91%), followed by tilmicosin (81%), tulathromycin (62%), enrofloxacin (62%), lincomycin/spectinomycin (57%), amoxicillin (52%), florfenicol (48%); ceftiofur (10%) and doxycycline (5%). | Identification and antibiogram of Haemophilus parasuis circulating in pig farms in some southern provinces of Vietnam
