The Intriguing Role of Birds and Mammals in Parasite Life Cyclescreated at May 11, 2009 127 Birds and mammals play crucial,often essential,roles as intermediate or definitive hosts in the complex life cycles of numerous parasites.Many parasites require specific bird or mammal species for their larval stages (intermediate host),where they undergo ...  |
How prevalent is Lyme disease?created at May 06, 2009 73 In the United Kingdom, Lyme disease is carried by the sheep tick, Ixodes ricinus. This tick can also feed on deer and other wild mammals and birds. The tick prefers to live in woods, heath and moorland, although it does not occur exclusively in these habit... |