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Ramsar Technical Report 7: Ramsar Wetland Disease Manual
… to control rabbits contributed to the extinction of large blue butterflies Maculinea arion in the UK (through knock-on … and sample fixation. Keeping samples frozen Dry ice (solid carbon dioxide) or in some circumstances liquid nitrogen can … � nasal discharge � ruffled feathers and soiled vents � a blue colouration to the bill � prolapsed penis � an …