Ellis W A, Montgomery J M, McParland P J
Veterinary Research Laboratories, Stormont, Belfast.
Vet Rec. 1989 Sep 16;125(12):319-21. doi: 10.1136/vr.125.12.319.
The intramuscular vaccination of pigs with two doses, two weeks apart, of a Leptospira interrogans serovar bratislava bacterin, protected pigs against renal infection when challenged with bratislava strains six weeks later but did not protect pigs challenged after 26 weeks.
给猪间隔两周分两次肌肉注射问号钩端螺旋体布拉迪斯拉发血清型菌苗,六周后用布拉迪斯拉发菌株攻毒时,猪可免受肾脏感染,但在26周后攻毒时则无法起到保护作用。