Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs42269-018-0026-1/MediaObjects/42269_2018_26_Fig1_HTML.png)
Gel electrophoresis stained with ethidium bromide showing amplicons of COI gene detected at 709 bp. Lane M: DNA ladder 100 bp plus (Vivantis, Malaysia). Lane 1: Control negative. Lanes 2–4: Amplicon from sheep. Lane 5: Amplicon from goats. Lane 6: Amplicon from camels. Lane 7: Amplicon from cattle