Fig. 3
From: Risk factors of brucellosis seropositivity in Bactrian camels of Mongolia
Agarose gel electrophoresis PCR products. Lane 1: DNA ladder; Lane 2: positive control Brucella suis; Lane 3: positive control Brucella abortus (vaccine strain RB51) with two bands at 2524 and 587 bp; Lane 4: positive control Brucella melitensis (vaccine strain Rev1); Lane 5: the isolate from a camel; Lanes 6–8: isolates from cattle; Lane 9: negative control