du Plessis J L, van Gas L, Labuschagne F J, Wijma S
Veterinary Research Institute, Onderstepoort.
Onderstepoort J Vet Res. 1990 Sep;57(3):145-9.
Lyophilized tissues of mice and blood of sheep, infected with either the Kümm, the Welgevonden or the Ball 3 stock of Cowdria ruminantium, remain infective to mice and sheep after storage at 4 degree C for 90 days. Freeze-dried tissues stored at -18 degrees C and -28 degrees C are still infective after 6 months and 2 years, respectively.
感染了库姆、韦尔格冯登或鲍尔3株反刍兽考德里氏体的小鼠冻干组织和绵羊血液，在4摄氏度储存90天后，对小鼠和绵羊仍具有感染性。分别在-18摄氏度和-28摄氏度储存的冻干组织，在6个月和2年后仍具有感染性。
