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布鲁属的派特、彭亨和马来丝虫在形态上颇为相似。为了了解它们是否属于生物学上的不同种,作者进行种间的杂交试验。实验所用的派特丝虫得自肯尼亚,彭亨丝虫得自利物浦热带医学院,亚周期型马来丝虫得自 Wellcome 热带医学研究室。3种丝虫均为纯系传代,将从实验媒介埃及伊蚊获得的感染期幼丝虫接种长爪沙鼠,当刚能区别出虫体的性别时即收集雌虫和雄虫,分别移种到未感染的沙鼠的腹腔。各异种交配
The peal, pahang and malayi of Brucella are similar in morphology. In order to understand whether they belong to different biological species, the authors conducted interspecific hybridization experiments. The experimental peyote was obtained from Kenya, the Paenibacillus was from the Liverpool Tropical Medicine Institute, and the sub-type Malayi was obtained from the Wellcome Institute of Tropical Medicine. All the three kinds of filarial worms were purely passaged. Infected young wormworms obtained from the experimental medium Aedes aegypti were inoculated with gerbils, and when the sex of the parasites could be distinguished, the females and the males were collected and transplanted separately To the uninfected gerbils peritoneal cavity. All kinds of mating