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      Prevalencia e intensidad parasitaria en Mugil cephalus (Pisces: Mugilidae), del Río Colorado, Baja California, México

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          Abstract

          La prevalencia e intensidad parasitaria de la lisa cabezona, Mugil cephalus Linnaeus, 1758, fue cuantificada durante un ciclo anual (febrero 1994 a febrero 1995) en la confluencia de los ríos Colorado y Hardy, Baja California, México. Dos especies de parásitos fueron reconocidas: Contracaecum multipapillatum (von Drasche, 1882) (Ascaridida: Anisakidae) y Ergasilus versicolor Wilson, 1911 (Poecilostomatoida: Ergasilidae). Las larvas del nematodo C. multipapillatum, representadas por dos estadíos (A y B), exhibieron prevalencias de 30% y 14.5%, respectivamente; mientras que el copépodo E. versicolor, mostró una prevalencia de 72.7%. La intensidad media de C. multipapillatum fue 6.18 y 2.37 parásitos/huésped para los estadíos A y B, respectivamente, y en E. versicolor, ésta fue de 4.01. El número de parásitos (táxones combinados) incrementó con la talla del pez (r= 0.22, p= 0.02), pero fue independiente del factor de condición (K LP) del huésped.

          Translated abstract

          The parasitic prevalence and mean intensity in the striped mullet, Mugil cephalus, was seasonally determined during an annual cycle (February 1994 to February 1995) in the confluence of the Colorado and Hardy rivers, Baja California, México. Two species of parasites were identified, a nematode, Contracaecum multipapillatum (von Drasche, 1882) (Ascaridida: Anisakidae), and a copepod, Ergasilus versicolor Wilson, 1911 (Poecilostomatoida: Ergasilidae). The larvae of C. multipapillatum, which were represented by two size classes (A and B stages), had prevalences of 30% and 14.5%, respectively; while A. versicolor had a prevalence of 72.7%. The mean intensity of C. multipapillatum was 6.18 and 2.37 individuals per infected fish for A and B stages, respectively; and for A. versicolor, it was of 4.01. The number of parasites (taxa combined) increased with the size of fish (r= 0.22, p= 0.02), but it was independent of the host’s condition factor (K SL).

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          Most cited references28

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          The Use of Ecological Terms in Parasitology (Report of an Ad Hoc Committee of the American Society of Parasitologists)

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            Parasites and diseases of the grey mullet (Mugilidae) with special reference to the seas of the Near East

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              Systema Helminthum, 3: The Nematodes of Vertebrates

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbt
                Revista de Biología Tropical
                Rev. biol. trop
                Universidad de Costa Rica (San José )
                0034-7744
                June 2000
                : 48
                : 2-3
                : 495-501
                Affiliations
                [1 ] Universidad Autónoma de Baja California Mexico
                [2 ] Universidad Autónoma de Nuevo León Mexico
                Article
                S0034-77442000000200021
                e9e4d069-1a71-4b96-8307-2849f9ee78af

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Costa Rica

                Self URI (journal page): http://www.scielo.sa.cr/scielo.php?script=sci_serial&pid=0034-7744&lng=en
                Categories
                Biodiversity Conservation
                Biology

                General life sciences,Animal science & Zoology
                Mugil cephalus,parasites,prevalence,México
                General life sciences, Animal science & Zoology
                Mugil cephalus, parasites, prevalence, México

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