| ectoparasitic species of the genus trichodina (ciliophora: peritrichida) parasitising british freshwater fish. | seven species of the genus trichodina ehrenberg, 1838 were identified during a sampling programme of twenty freshwater fish species from approximately sixty sites in scotland, england and wales. species found include: trichodina acuta lom, 1961 from cyprinus carpio l., carassius auratus l., oncorhynchus mykiss (walbaum), salmo trutta l. and phoxinus phoxinus l.; trichodina domerguei wallengren, 1897 from gasterosteus aculeatus l.; trichodina tenuidens faure-fremiet, 1944 from gasterosteus aculea ... | 1998 | 9805782 |
| evidence for the co-existence of separate strains or species of ligula in lough neagh, northern ireland. | ligula (cestoda: pseudophyllidea) infections in gudgeon (gobio gobio) and roach (rutilus rutilus) differ markedly in the pathology that is observed in the host, particularly with respect to a tissue response and the extent of inhibition of gonadal development. the entire internal transcribed spacer (its) region (its-1, 5.8s and its-2) and the large subunit domains d1-d3 were sequenced and compared in parasites from these fish from lough neagh, northern ireland, together with a single specimen fr ... | 2002 | 12015830 |