ResumenEl presente estudio fue diseñado con el objetivo de determinar la frecuencia de parásitos gastrointestinales en burros criollos (Equus africanus asinus) del departamento de Córdoba, Colombia. El tipo de estudio fue descriptivo transversal. El estudio se llevó a cabo en 47 predios entre los meses de agosto y noviembre de 2015. Se recolectaron muestras coprológicas y se empleó la técnica de flotación, examinándose 144 muestras, De las 144 muestras examinadas 136 (94,44%) resultaron positivas al menos para algún género de parásito. Las frecuencias encontradas fueron de Trichostrongylus spp. 91,67%, Strongylus spp. 68.06%, Strongyloides westeri 66,67%, Parascaris equorum 9,72%, Anoplocephala perfoliata 5,56% y Eimeria spp. 2,78%. Se pudo concluir que existe una elevada presencia de nematodos en comparación con los cestodos y protozoarios, encontrados en los asnos del departamento de Córdoba, Colombia. Keywords:Nematodes, cestodes, Protozoa, Trichostrongylus. AbstractThe present study was designed with the objective of determining the frequency of gastrointestinal parasites in Creole burros (donkey) in the department of Cordoba, Colombia. The type of study was cross-sectional descriptive. The study was conducted on 47 farms between August and November 2015. coprological samples were collected and flotation technique was used, examined 144 samples of the 144 samples examined 136 (94.44%) were positive least for some kind of parasite. The frequencies were found Trichostrongylus spp. 91.67% Strongylus spp. 68.06%, 66.67% westeri Strongyloides, Parascaris equorum 9.72%, 5.56% and Anoplocephala perfoliata Eimeria spp. 2.78%. It was concluded that there is a high presence of nematodes compared with tapeworms and protozoa found in the asses of Córdoba department, Colombia. Frecuencia de parásitos gastrointestinales en burros criollos (Equus africanus asinus) en el departamento de Córdoba, ColombiaFrequency of gastrointestinal parasites in creole donkeys (Equus africanus asinus) in the department of Cordoba, Colombia
RESUMENCon el fin de conocer el requerimiento hídrico de Melina en la etapa de vivero, se realizó un ensayo con cuatro coeficientes de consumo (Kc: 0,6, 0,8, 1,2, 1,4. Estos tratamientos se transformaron en láminas de riego de 2,4 mm.día -1 , 3,2 mm.día -1 , 4,8 mm.día -1 y 5,6 mm.día -1 respectivamente, debido a que la evapotranspiración de referencia (ETO) de la zona fue de 4 mm.día -1 . Se observó que a medida que se aumentaba la lámina de riego, disminuía el crecimiento de las plantas. Los valores más altos de altura de planta, área foliar, masa seca de hoja, masa seca del tallo y masa seca de raíz se obtuvieron con la lámina de 2,4 mm.día -1 . Por otro lado, los índices de crecimiento (TAC, TRC, AFE, RAF) muestran la misma tendencia. Con base en estos resultados se determinó que el Kc para esta especie en la etapa de vivero es de 0,6.Palabras clave: láminas de riego, coeficiente de cultivo (Kc), crecimiento. Water Requirement of Gmelina arborea on Nursery StageUnder Controlled Conditions ABSTRACTIn order to recognize the Melina water requirement in the nursery stage, we performed a test with four crop coefficient (Kc: 0,6, 0,8, 1,2, 1,4). These treatments included irrigation blades of 2,4 mm.day -1 , 3,2 mm.day -1 , 4,8 mm.day -1 and 5.6 mm.day -1 respectively, due to the area reference evapotranspiration at 4mm.day -1 . It was observed a decrease of plant growth as the raising of the irrigation blade. The highest values of plant height, leaf area, leaf dry weight, dry weight of stem and root dry weight were obtained with the blade of 2,4 mm.day -1 . On the other hand, the growth rates studied have shown the same trend. Based on these results we determined that the Kc for this species in the pond stage is 0,6.
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