Karaivanov L
Vet Med Nauki. 1976;13(5):26-31.
Studied was the possibility of lysis-producing factors (the phenomenon of lysogeny) with 59 strains of Pastuerella multocida isolated in Bulgaria, Cuba, and Czechoslovakia. It was found that eleven of them were lysogenic in terms that a total of 12 bacteriophage strains were isolated from them; one of them yielded 2 phages. Established were three different indicator strains of Pasteurella multocida-97, SHD, and R-II--by means of which 3 different groups of P. multocida phages were isolated. The latter were stabilized and allowed to multiply up to 10(11) phage particles per 1 cc through continuous passaging, and they could be be stored at + 4 degrees C. In accordance with the host strain for multiplying the isolated P. multocida phages were divided into three different groups: phages 3, 4, 5, 6, 22, and Sl fell into group II, and phages 1075 and S-2--to group III.
对从保加利亚、古巴和捷克斯洛伐克分离出的59株多杀巴斯德氏菌产生裂解因子（溶原现象）的可能性进行了研究。结果发现，其中11株具有溶原性，从它们中总共分离出了12株噬菌体菌株；其中一株产生了2种噬菌体。通过多杀巴斯德氏菌的三种不同指示菌株——97、SHD和R-II——分离出了3组不同的多杀巴斯德氏菌噬菌体。后者经过稳定化处理，并通过连续传代使其繁殖至每1立方厘米10(11)个噬菌体颗粒，且可在4摄氏度下保存。根据用于繁殖分离出的多杀巴斯德氏菌噬菌体的宿主菌株，将其分为三个不同的组：噬菌体3、4、5、6、22和Sl属于第二组，噬菌体1075和S-2属于第三组。
