Johan Human, 11 Nov 2024Can someone please advise on darting American bison? Dosages? Kevin Robertson, 11 Nov 2024. Hi Johan Here in Texas, BAM is the drug of choice for bison. They respond really well to it. Big bulls 3 ml BAM Medium bulls 2.5 ml BAM Yearlings bulls 1.5 ml BAM Big females 2.5 ml BAM Medium females 2 ml BAM Yearlings females 1 ml BAM. Johan Human, 11 Nov 202 Thanks Kevin