![]() ![]() ![]() New York: Nova Science Publishers 2009.ġ4. The relationships between marine phytoplankton, dimethylsuphide and the global climate: The CLAW hypothesis as a Lakatosian progressive problemshift. Nunes-Neto NF, Santos do Carmo R, El-Hani CN. An evolving research programme: The structure of evolutionary theory from a Lakatosian perspective. Contrastación de un programa de investigación científica progresivo en parasitología: los endoparásitos del zorro gris pampeano Lycalopex gymnocercus. Fundamentación epistemológica de la parasitología. Modelos de cambio científico a partir de la selección natural: análisis y propuestas. Elementos dinámicos de la teoría celular. Some general problems for ecology illustrated by food web theory. Panbiogeography: A progressive research program? Systematic Biology. The British Journal of Philosophy of Science. Positive heuristics in evolutionary biology. La metodología de los programas de investigación científica. perfoliata in countries where both species coexist.1. The use of these two morphometric variables would therefore be useful for the copro-identification of A. ![]() perfoliata were identified with 100% sensitivity, 97% specificity and 98% sensitivity, 84% specificity. Using 15 and 70 μm cut-offs for oncosphere diameter and the major shell bisector length, respectively, the eggs of A. magna infection was strongly linked to young horses (≤2 years). This difference was independent of the parasite burden and was greater when testing was limited to horses with mature or gravid tapeworms. In the present study, coprology was significantly more sensitive ( p < 0.01) at detecting A. eggs, this could be related to the presence of Anoplocephala magna alone or co-existing with A. ![]() Current copro-diagnostic tests for Anoplocephala perfoliata show high variation in their sensitivity and given the morphological similarity of Anoplocephala spp. ![]()
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