Freshwater Crayfish 14(1): 228-235 (2004)
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Studies on the susceptibility of the european white-clawed freshwater crayfish, Austropotamobius pallipes (Lereboullet), to white spot syndrome virus for analysis of the likelihood of introduction and impact on european freshwater crayfish populations
Austropotamobius pallipes was found to be susceptible to infection by white spot syndrome virus (WSSV) following intramuscular injection. The mortality rate exhibited by small A. pallipes was far more chronic than was observed in control prawns Penaeus monodon. No large A. pallipes injected with WSSV died. In histological sections of all small A. pallipes injected with WSSV, Cowdry type A inclusions or pale basophilic inclusions in hypertrophic nuclei were observed in the ectodermal and mesodermal tissues, which is pathognomonic for WSSV. Most large A. pallipes injected with WSSV did not display lesions. A. pallipes exposed via feeding on WSSV contaminated tissues did not exhibit mortality and WSSV-associated lesions were not observed in any animals exposed via this method. The water temperature for the A. pallipes was mostly within the range of 11.5-15°C, which is likely to be at the upper level of the annual average temperature throughout its natural range.
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Edgerton BF. (2004). Studies on the susceptibility of the european white-clawed freshwater crayfish, Austropotamobius pallipes (Lereboullet), to white spot syndrome virus for analysis of the likelihood of introduction and impact on european freshwater crayfish populations. Freshwater Crayfish 14(1):228-235. doi: 10.5869/fc.2004.v14.228
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