期刊
JOURNAL OF INFECTION IN DEVELOPING COUNTRIES
卷 16, 期 2, 页码 374-382出版社
J INFECTION DEVELOPING COUNTRIES
DOI: 10.3855/jidc.14947
关键词
PPR; camel; sheep; goat; infection; transmission
资金
- International Atomic Energy Agency (IAEA) [14583]
This study demonstrates that dromedary camels infected with PPRV can transmit the disease to sheep and goats, even with mild clinical signs.
Introduction: In recent years Peste des petits ruminants (PPR) disease caused several epidemics in a wide range of susceptible hosts. The ability of the peste des petits ruminants virus (PPRV) to cross the species barrier necessitates further research, particularly on disease circulation and cross-species transmission between typical and atypical hosts to guide and facilitate the eradication program anticipated by the Food and Agriculture Organization (FAO) and the World Organization for Animal Health (OIE) in 2030. The aim of this study is to explore the role of dromedary camels as transmitters for PPR. Methodology: Four experiments were carried out on clinically healthy seronegative camels, sheep and goats. In experiment I, the animals were inoculated with a PPR-positive suspension of camel pneumonic lung homogenate. In the other three experiments either sheep and goats were inoculated and after three days were housed with camels or vice versa. Results: Marked clinical signs suggestive of PPR were seen in sheep and goats while camels showed mild infection. Severe clinical signs of PPR were seen in sheep and goats when kept with inoculated camels. Postmortem examination revealed PPR lesions in all inoculated animals including camels. Conclusions: This study showed that dromedary camels infected with PPRV can transmit the disease to sheep and goats, even when they developed mild clinical signs.
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