Investigation of serum protein profiles in sheep naturally infected with foot-and-mouth disease virus

This study was carried out to determine serum protein profiles in naturally infected sheep with foot-and-mouth disease virus (FMDV). The study material consisted of twelve healthy and 36 sheep with foot-and-mouth disease (FMD). FMD had been diagnosed on the basis of clinical findings and results of serological examination. Serotypes serologically detected in the FMDV-infected sheep were as follows: O (n = 11), A (n = 8) and mixed infection with serotypes O, A and Asia-1 (n = 17).The total protein, albumin and globulin concentrations as well as Albumin/Globulin ratio were slightly different among the groups (P < 0.05). Three protein bands of 66 kDa, 45 kDa and 20 kDa were remarkable. Moderate differences were determined between healthy and infected sheep for proportion of distribution in serum proteins. In conclusion, serum protein concentrations and serum protein profiles were slightly changed and no specific serum protein profile occurred in sheep infected with either O or A or in sheep mixed infected with the O and A and Asia-1 serotypes of FMDV compared to healthy ones.