A treatment trial of Cephapirin intramammal injection for lactating stage use in cattle with mastitis

A treatment trial of cephapirin injection (KP-10) for lactating stage was done in 55 cattle with mastitis (76 tests) at South-west Kaminoyama area, Yamagata Prefecture. KP-10 was given intramammaly at a dose of 250mg to a test for 3 days (s.i.d). In con-trol, combination of benzylpenicillin and dihydrostreptomycin sulfate was used. Clinical findings before and after treatment, modifoed CMT and microbial culture were com-pared between treated and control groups. Based on the clinical findings, and numbers of bacteria and cell, 85.4 and 64.3% was judged as effectively treated in KP-10 and con-trol groups, respectivery (P