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Debido a que el estado Guárico, es uno de los principales productores de cereales y ganadería, con alimentación a base de residuos de cosecha, condujo a plantear este estudio sobre caracterización sanitaria de sistemas de producción con bovinos doble propósito integrados con maíz, en fincas de la Zona Alta de Roscio y Ortiz, mediante la determinación de la seroprevalencia de la tripanosomiasis y brucelosis. Se muestrearon en 2.001, 268 animales, hembras y machos, jóvenes y adultos, de tres fincas localizadas en cada uno de los Municipios, en dos muestreos: uno en época seca y otro en época de lluvias. Fueron procesados los sueros por inmunofluorescencia indirecta (tripanosomiasis, 193 muestras) y rosa de Bengala (brucelosis, 206 muestras). Con una seroprevalencia general promedio para tripanosomiasis de 60%, agrupándose en un 56,9% los serorreactores en época lluviosa y 45,7% en época seca. Con una seroprevalencia general promedio de 2,9% para brucelosis, en época seca de 0,97% y 1,94% en época lluviosa agrupándose aquí el 66,66% de los positivos; 50% en adultos, 25% en animales de 0-12 meses de edad y 25% entre los de 13-24 meses, encontrando diferencias significativas por edad (P>0,05). Confirmándose el carácter endémico de la tripanosomiasis y la brucelosis bovinas en diferentes ambientes agroecológicos de Guárico integrados al cultivo de maíz, que amerita una intervención con establecimiento de programas de control (preventivo y curativo) estratégico para la solución de estos problemas sanitarios que estarían afectando la producción y productividad de los rebaños y representan un alto riesgo epidemiológico para la diseminación de ambas enfermedades, requiriendo acciones conjuntas de organismos involucrados en la salud animal del Guárico para elaborar estrategias de saneamiento y control. Due Guárico state is one of the main cereal producers and livestock production with a feeding with harvest remainders, was lead to raise teh present study on the sanitary characterization of production systems with integrated bovines of double purpouse with maize, in the high land zones of Roscio and Ortiz Counties, by means of seroprevalence determination of trypanosomosis and brucellosis. 268 animals were sampled, males and females, males, young and adults, of three farms located in each one from the Counties, in two opportunities: one at dry season and another one at raining season. Sera were processed by the techniques of: indirect immunofluorescence antibody technique (IFAT) (trypanosomosis, 193 samples) and pink Bengala test (brucellosis, 206 samples). Was obtained an average for trypanosomosis general seroprevalence of 60%, grouping in a 56.9% seroreactors at rainy season and 45.7% at dry season. In relation to the brucellosis, was obtained an average for general seroprevalence of 2,9%. For the dry season it was 0.97% and 1.94% for the rainy season, where 66.66% of the positive cases were grouped, within which 50% were represented by adults, 25% by 0-12 months of age and 25% by animals of 13-24 months of age, finding significant differences by age (P>0.05). y season and in adult females. Confirming the endemic character of the bovine trypanosomosis and brucellosis in different agroecological environments of the integrated bovine farms with maize crop in these Counties of Guárico state. It´s necessary an intervention with strategic programms of control (preventive and curative) in order to solve this sanitary problems that would be affecting the production and productivity of livestock and because they represents a high epidemiological risk for dissemination of both diseases, these reasons require joint operations of the organisms involved in animal health of the Guárico state in order to elaborate strategies for their control. 630 - 634 Bimestral |
