Abstract: A portable manger divider that is easily attached to, and removed from, a stall frame and stanchion for livestock which includes a flat rectangular divider provided with upper and lower mounting means which abut to, and engage, a vertical member and are maintained in engagement by a mounting means disposed intermediate the upper and lower mounting means. A horizontally extending member which engages adjacenty disposed vertical portions of the stanchion and/or stall member may extend across horizontally spaced apart stanchion or stall members.