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      Pesquisa de parásitos gastrointestinales en pequeñas explotaciones ovinas del municipio de Toca, Colombia Translated title: Screening of gastrointestinal parasites on small sheep exploitations from the municipality of Toca, Colombia

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          Abstract

          Con el objetivo de identificar los principales huevos y quistes de parásitos gastrointestinales presentes en las muestras de materia fecal tomadas en diferentes explotaciones ovinas del municipio de Toca Boyacá, se colectaron 90 muestras de materia fecal extraídas directamente del recto de ovinos de raza criolla, con el fin de identificar microscópicamente huevos y quistes de parásitos gastrointestinales. Los animales muestreados pertenecían a unidades familiares agropecuarias que no superaban los 20 animales. Las muestras se procesaron por la técnica de Ritchie modificada; el tipo de estudio aplicado fue de corte transversal simple y se realizó un análisis descriptivo para determinar la prevalencia en porcentaje de cada uno de los parásitos. El total de las muestras presentaban uno o más parásitos, lo que indicó una prevalencia de 100%. La mayoría de individuos se encontraban infectados con Coccidia spp. (94,4%), seguido del suborden Strongylida (33,5%), Entamoeba coli (13,3%), Fasciola hepatica (7,8%), Entamoeba histolitica (4,4%), Toxocara spp. (4,4%), Strongyloides spp. (3,3%), Ascaridia spp (2,2%), Giardia spp. (1,1%) y Moniezia spp. (1,1%). El conocimiento de la distribución y diversidad de la fauna parasitaria de los ovinos en Toca, Colombia, es un avance de gran importancia para establecer programas de erradicación y control de las principales parasitosis de los pequeños rumiantes, contribuyendo así a evitar las pérdidas económicas que ocurren con la presencia de estos.

          Translated abstract

          With the aim of microscopically identifing the main eggs and cysts of gastrointestinal parasites in samples taken in different sheep farms of the municipality of Toca Boyacá, 90 fecal samples directly extracted from the rectum of creole breed were collected. Animal samples belonged to agricultural family units having no more than 20 animals. They were processed by the modified Ritchie technique. The applied study was a simple cross-sectional. A descriptive analysis was carried out to determine the prevalence of each parasite expressed in percentage. Samples had a prevalence of 100% which indicated that the total had one or more parasites. Most of individuals were infected with Coccidia spp. (94,4%), followed by the suborder Strongylida (33,5%), Entamoeba coli (13,3%), Fasciola hepatica (7,8%), Entamoeba histolitica (4,4%), Toxocara spp. (4,4%), Strongyloides spp. (3,3%), Ascaridia spp. (2,2%), Giardia spp. (1,1%) and Moniezia spp. (1,1%). The knowledge about the distribution and diversity of the parasitic fauna of sheep in Toca-Colombia is an important advance to establish eradication and control programs on small ruminant parasites, thereby contributing to avoid economic losses due to their presence.

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          Most cited references28

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          Epidemiology of gastrointestinal nematodes of sheep managed under traditional husbandry system in Kashmir valley.

          The present study was conducted with the objective to investigate the seasonal epidemiological prevalence of gastrointestinal tract (GIT) nematodes in different age groups, sexes and breeds (genotypes) of sheep through necropsy and faecal analysis over a period of 2 years in Kashmir valley, India. A total of 1533 sheep were examined [faecal examination: 1035 (year 1: 561, year 2: 474); necropsy: 498 (year 1: 232, year 2: 266)]. Out of these, 945 (61.64%) were found infected [faecal examination: 697 (67.34%, year 1: 390 (69.51%), year 2: 307 (46.99%); necropsy: 248 (49.79%, year 1: 123 (53.01%), year 2: 125 (64.69%)] with GIT nematodes. The over all prevalence of GIT nematodes in sheep in year 1 was 64.76 and 58.37% in year 2 (P=0.04). The parasites in decreasing order of prevalence (%) in sheep were Haemonchus contortus (59.6); Ostertagia circumcincta (38.0); Bunostomum trigonocephalum (37.7); Chabertia ovina (37.7); Trichostrongylus spp. (33.9); Nematodirus spathiger (29.4); Oesophagostomum columbianum (28.4); Trichuris ovis (23.5) and Marshallagia marshalli (22.1). Season, sex, age, and genotype were the factors that influenced the epidemiological prevalence of GIT nematodes in sheep in the present study. The maximum nematode infection was observed in summer season and lowest in winter (P=0.0005). Local Kashmiri breed was less infected as compared to other genotypes (P>0.05). Lower age groups were more infected than adult animals (P>/=0.05). Prevalence was higher in rams (males) than eves (females) (P>0.05). The present study will initially be of great significance to add to the existing knowledge of the epidemiology of GIT nematodes of small ruminants and the findings will be quite helpful to devise the appropriate control and prophylactic strategies for GIT nematodiasis of sheep reared under the temperate agro-climatic conditions.
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            Gastrointestinal helminthiasis: prevalence and associated determinants in domestic ruminants of district Toba Tek Singh, Punjab, Pakistan.

            The objective of the present study was to determine the prevalence and associated determinants (e.g., sex, age, on-farm management and husbandry) of gastrointestinal (GI) helminths in the domestic animals of district Toba Tek Singh, Punjab, Pakistan. For this purpose, 1,140 cattle, 1,140 buffaloes, 660 goats, 840 sheep, and 156 camels were randomly selected and their fecal samples were screened every other week for a year using a modified floatation technique. The samples positive for strongyle-type eggs had the parasite species identified using coproculture. It was found that the prevalence of GI helminths was significantly higher (P < 0.05) in sheep (44.17%; 371/840) than in other livestock. Sheep were followed in order by goats (40.15%; 265/660), buffaloes (39.82%; 454/1,140), and cattle (33.68%; 384/1,140). The important helminth species identified were Fasciola (F.) gigantica, Fasciola hepatica, Haemonchus contortus, Toxocara vitulorum, Trichostrongylus spp., Oesophagostomum spp., Ostertagia spp., Cooperia spp., Strongyloides spp., Moniezia spp., and Trichuris spp. The prevalence of GI helminths except F. hepatica and F. gigantica was significantly higher in grazing animals, females (P < 0.05) and young (P < 0.05) of all the host species when compared with stall-fed animals, males and adults, respectively. Using ponds and rivers/canals as drinking water were found to have significant influence (P < 0.05) on the prevalence of GI helminths. The results provide a baseline data for planning future research and control strategies against GI helminthes.
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              Prevalence and seasonal incidence of larval and adult cestode infections of sheep and goats in eastern Ethiopia.

              A study on the prevalence and seasonal incidence of cestode parasite infections of sheep and goats was carried out in eastern Ethiopia for 2 years (May 2003-April 2005). During this period, viscera including liver, lungs, heart, kidneys and the gastro-intestinal tract were collected from 655 sheep and 632 goats slaughtered at four abattoirs located in the towns of Haramaya, Harar, Dire Dawa and Jijiga. At the abattoirs the abdominal, thoracic and pelvic cavities as well as the muscle surfaces of all animals were visually examined for the presence of larval (cystic) stages of cestode parasites. The viscera were transported within 24 h to the parasitology laboratory of Haramaya University and were examined for larval and adult cestodes following standard procedures. The most prevalent metacestodes (larval cestodes) were Cysticercus ovis (Taenia ovis), Cysticercus tenuicollis (T. hydatigena) and hydatid cysts (Echinococcus granulosus). In sheep, the overall prevalence was 26% for C. ovis, 79% for C. tenuicollis, and 68% for hydatid cysts. Similarly, for goats, the corresponding prevalence was 22%, 53% and 65%, respectively. The difference between sheep and goats in prevalence of C. tenuicollis was significant. The high prevalence of hydatid cysts in both sheep and goats indicates that cystic echinococcosis/hydatidosis is a public health problem in these regions which requires implementation of control measures, including public health education, strict meat inspection and control of stray dogs. The results of the survey also implies that infections of small ruminants with these metacestodes are responsible for condemnation of substantial quantities of affected organs and muscles and therefore of direct economic importance. Intestinal infections with adult tapeworms of Moniezia expansa, Avitellina centripunctata and Stilesia globipunctata, and bile duct infections with Stilesia hepatica were also common in both sheep and goats. In sheep, the overall prevalence of these tapeworms were 61%, 20%, 24% and 39%, respectively. Similarly, the overall prevalence of these parasites in goats was 53%, 21%, 27% and 36%, respectively.
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                Author and article information

                Journal
                rsa
                Revista de Salud Animal
                Rev Salud Anim.
                Centro Nacional de Sanidad Agropecuaria (La Habana, , Cuba )
                0253-570X
                2224-4700
                April 2014
                : 36
                : 1
                : 65-69
                Affiliations
                [01] Tunja orgnameUniversidad Pedagógica y Tecnológica de Colombia orgdiv1Escuela de Medicina Veterinaria y Zootecnia orgdiv2Grupo de Investigación GIDIMEVETZ Colombia mopm1@ 123456hotmail.com
                Article
                S0253-570X2014000100012 S0253-570X(14)03600112
                d02a7f9a-3b82-4c51-b04b-f9b08b314976

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 20 May 2012
                : 08 May 2013
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 5
                Product

                SciELO Cuba

                Categories
                COMUNICACIONES CORTAS

                parasitosis,cross-sectional study,sheep,prevalence,estudio transversal,ovinos,prevalencia

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