\r\n\t\t\t\r\n\t\t\tFigura 1. Las líneas pesadas son las más susceptibles debido a su rápido metabolismo.<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n
\r\n
\r\n
Características del Síndrome Ascítico<\/strong><\/span><\/h4>\r\n\r\nLos pollos afectados presentan un abdomen severamente distendido, intolerancia al movimiento, problemas respiratorios y cianosis. El pulmón permanece relativamente pequeño contra las dimensiones corporales.<\/span><\/p>\r\n\r\nImportancia económica<\/strong><\/span><\/h4>\r\n\r\nA pesar de las investigaciones sobre el síndrome ascítico hechas durante muchos años, es todavía un estado que ocasiona pérdidas financieras a los avicultores. Se calcula que de los 40 mil millones de pollo de engorda que anualmente se producen en el mundo, el 20% de los pollos mueren de ascitis.<\/span><\/p>\r\n\r\nEl síndrome ascítico ha causado un decremento en la producción avícola en México, así como una pérdida económica importante para avicultores, por lo que a la par ha aumentado el mejoramiento genético acompañado de un mejor crecimiento y utilización nutricional del alimento, lo que ha permitido obtener en las líneas de pollo de engorda actuales avances en los parámetros productivos comerciales.<\/span><\/p>\r\n<\/div>\r\n\r\n\r\n
\r\n\t\r\n\t\t\r\n\t\t\t\r\n\t\t\tFigura 2. Pollo que presenta síndrome ascítico.<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n
\r\n
Factores causantes<\/strong><\/span><\/h4>\r\n\r\nFactores genéticos <\/strong><\/span><\/p>\r\n\r\n\r\n\tLa selección genética<\/span><\/li>\r\n<\/ul>\r\n\r\nEl SA es un problema en el pollo de engorda actual, la causa está relacionada con el mejoramiento a través de la selección genética de líneas comerciales tendientes a alcanzar rápidamente la edad de mercado.<\/span><\/p>\r\n\r\n\r\n\tInfluencia de los progenitores<\/span><\/li>\r\n<\/ul>\r\n\r\nEn México se ha evaluado la mortalidad por SA en pollos provenientes de reproductoras de diferentes edades y pesos de huevo.<\/span><\/p>\r\n\r\nLa mortalidad ocasionada por el SA disminuyó a medida que envejece la reproductora, independientemente del peso del huevo. Lo anterior demuestra que la mortalidad por SA está en función de la edad de la reproductora y no del peso del huevo.<\/span><\/p>\r\n\r\nFactores alimenticios<\/strong><\/span><\/p>\r\n\r\n\r\n\tConsumo de alimento<\/span><\/li>\r\n<\/ul>\r\n\r\nSe ha observado que a mayor ganancia de peso y mayor consumo de alimento se presentó mayor mortalidad por SA.<\/span><\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n
<\/div>\r\n\r\n
\r\n
\r\n\t\r\n\t\t\r\n\t\t\t\r\n\t\t\tCuadro 1. Evolución del pollo de engorda macho (World Poultry 2018).<\/span><\/strong><\/p>\r\n\r\n\t\t\tC. A Conversión Alimenticia, GDP Ganancia de Peso.<\/span><\/strong><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t\t\r\n\t\t\t\r\n\t\t\tAño<\/strong><\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t\r\n\t\t\tPeso vivo kg<\/span><\/strong><\/p>\r\n\r\n\t\t\t42 días<\/span><\/strong><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t \r\n\t\t\tC.A<\/span><\/strong><\/p>\r\n\r\n\t\t\t2.0 Kg<\/span><\/strong><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t Días para 2.0 kg<\/span><\/strong><\/td>\r\n\t\t\t \r\n\t\t\tGDP (g)<\/span><\/strong><\/p>\r\n\r\n\t\t\t2.0 kg<\/span><\/strong><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t Filete de pechuga (g) 2.0 kg<\/span><\/strong><\/td>\r\n\t\t\t \r\n\t\t\tC.A para carne pechuga<\/span><\/strong><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t\t\r\n\t\t\t\r\n\t\t\t1978<\/strong><\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t1.0<\/td>\r\n\t\t\t 2.5<\/td>\r\n\t\t\t 63<\/td>\r\n\t\t\t \r\n\t\t\t31<\/p>\r\n\t\t\t<\/td>\r\n\t\t\t
250<\/td>\r\n\t\t\t \r\n\t\t\t20<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t\t\r\n\t\t\t\r\n\t\t\t1998<\/strong><\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t\r\n\t\t\t2.4<\/p>\r\n\t\t\t<\/td>\r\n\t\t\t
1.7<\/td>\r\n\t\t\t 37<\/td>\r\n\t\t\t \r\n\t\t\t54<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t
320<\/td>\r\n\t\t\t \r\n\t\t\t11<\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t\t
\r\n\t\t\t\r\n\t\t\t2018<\/strong><\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t\t3.5<\/td>\r\n\t\t\t 1.4<\/td>\r\n\t\t\t 29<\/td>\r\n\t\t\t \r\n\t\t\t65<\/p>\r\n\t\t\t<\/td>\r\n\t\t\t
430<\/td>\r\n\t\t\t \r\n\t\t\t5<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t<\/tbody>\r\n<\/table>\r\n<\/div>\r\n\r\n <\/div>\r\n<\/div>\r\n\r\n
\r\n
\r\n
Factores climáticos <\/strong><\/span><\/p>\r\n\r\n\r\n\tLa temperatura<\/span><\/li>\r\n<\/ul>\r\n\r\nLa incidencia de SA es provocada por la exposición de las aves a bajas temperaturas ambientales lo que a su vez produce una sobre carga metabólica.<\/span><\/p>\r\n\r\n\r\n\tLa ventilación<\/span><\/li>\r\n<\/ul>\r\n\r\nUna mala ventilación y alteraciones en el aparato respiratorio aumentan también la demanda de oxígeno; en consecuencia se desarrolla el SA y acumulación de líquido en la cavidad abdominal.<\/span><\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n
\r\n
Otras aves susceptibles<\/strong><\/span><\/h4>\r\n\r\nLa ascitis se presenta en pollos con una mayor incidencia entre las 3 y 5 semanas de edad, cuando estos alcanzan su mayor velocidad de crecimiento. Las estirpes de mayor crecimiento y los machos son los más susceptibles a presentar este síndrome. También con incidencia en pavos, codornices, gallinas de postura y gallos de pelea.<\/span><\/p>\r\n\r\nProducción avícola nacional<\/strong><\/span><\/h4>\r\n\r\nDurante 2018, la industria avícola continuó siendo la actividad pecuaria más dinámica en México, actualmente representa 63.3% de la producción pecuaria nacional, donde 6 de cada 10 kg son alimentos avícolas como pollo, huevo y pavo.<\/span><\/p>\r\n\r\nPara el cierre de 2019, la producción avícola nacional creció 3% respecto a la de 2018, con una producción total de 6.4 millones de toneladas de alimento (pollo, pavo y huevo).<\/span><\/p>\r\n\r\nCita correcta de este artículo<\/strong><\/span><\/h4>\r\n\r\nINTAGRI. 2020. Síndrome Ascítico en pollos de engorda. Ganadería. Serie Ganadería, Núm. 42. Artículos técnicos de INTAGRI. México. 4 p.<\/span><\/p>\r\n<\/div>\r\n\r\n\r\n
\r\n\t\r\n\t\t\r\n\t\t\t\r\n\t\t\tFigura 3. Este síndrome también afecta otras aves.<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n
\r\n
Fuentes Consultadas<\/strong><\/span><\/h4>\r\n\r\n\r\n\tCortés CA, Estrada CA, Ávila GE.2006. Productividad y mortalidad por síndrome ascítico en pollos de engorda alimentados con dietas granuladas o en harina. Téc Pecu Méx; 44(2):241-246.<\/span><\/li>\r\n\tLuger 2001. Association between weight gain, blood parameters, and thyroid hormones and the development of ascites syndrome in broiler chickens. Poult Sci. Jul; 80(7):965-71.<\/span><\/li>\r\n\tWideman RF. 2016. Pathophysiology of Heart\/lung disorders: pulmonary hypertension syndrome in broiler chickens. WorldPoult Sci J; 57:289-307.<\/span><\/li>\r\n\tWorld's Poultry Science Journal 2018. Vol. 74. 2018.<\/span><\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\nContinuar leyendo<\/button><\/center>\r\n","has_cost":0,"creation":"2020-04-15 13:25:49","updated":"2020-04-15 16:13:59","published":"2020-04-06 16:13:59","cost":0,"badge":"mxn"},"availPoints":0,"articleCosts":[],"conversion":[0.004400000000000000265065747129256124026142060756683349609375,1,5.2400000000000002131628207280300557613372802734375,19],"guest":true,"countries":[{"country_ID":1,"name":"Argentina","iso2":"ar","badge":"USD","conversion":19},{"country_ID":2,"name":"Belice","iso2":"bz","badge":"USD","conversion":19},{"country_ID":3,"name":"Bolivia","iso2":"bo","badge":"USD","conversion":19},{"country_ID":4,"name":"Canada","iso2":"ca","badge":"USD","conversion":19},{"country_ID":5,"name":"Chile","iso2":"cl","badge":"USD","conversion":19},{"country_ID":6,"name":"Colombia","iso2":"co","badge":"COP","conversion":0.004400000000000000265065747129256124026142060756683349609375},{"country_ID":7,"name":"Costa Rica","iso2":"cr","badge":"USD","conversion":19},{"country_ID":8,"name":"Cuba","iso2":"cu","badge":"USD","conversion":19},{"country_ID":9,"name":"Ecuador","iso2":"ec","badge":"USD","conversion":19},{"country_ID":10,"name":"El Salvador","iso2":"sv","badge":"USD","conversion":19},{"country_ID":11,"name":"Estados Unidos","iso2":"us","badge":"USD","conversion":19},{"country_ID":12,"name":"Guatemala","iso2":"gt","badge":"USD","conversion":19},{"country_ID":13,"name":"Guyana","iso2":"gy","badge":"USD","conversion":19},{"country_ID":14,"name":"Guayana Francesa","iso2":"gf","badge":"USD","conversion":19},{"country_ID":15,"name":"Honduras","iso2":"hn","badge":"USD","conversion":19},{"country_ID":16,"name":"México","iso2":"mx","badge":"MXN","conversion":1},{"country_ID":17,"name":"Nicaragua","iso2":"ni","badge":"USD","conversion":19},{"country_ID":18,"name":"Panamá","iso2":"pa","badge":"USD","conversion":19},{"country_ID":19,"name":"Paraguay","iso2":"py","badge":"USD","conversion":19},{"country_ID":20,"name":"Perú","iso2":"pe","badge":"PEN","conversion":5.2400000000000002131628207280300557613372802734375},{"country_ID":21,"name":"Puerto Rico","iso2":"pr","badge":"USD","conversion":19},{"country_ID":22,"name":"Rep. 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En general se puede considerar como una manifestación de insuficiencia cardiaca congestiva derecha, provocando hipertensión hidrostática venosa generalizada o una hipertrofia cardiaca derecha. Existen muchos factores predisponentes para causar el síndrome ascítico; estos pueden ser genéticos, alimenticios y climáticos, incluidos la ventilación de la granja y su temperatura. Este problema aumentó debido a su rápido crecimiento y corta de edad para que las aves puedan lograr su meta productiva. Como resultado se presenta el síndrome.","fb_desc":"","thumb":"\/assets\/images\/articulos\/categoria1\/ganaderia\/art42-sindrome-aves\/pollo.jpg","fb_thumb":"","category":18,"related":"","keywords":"Avicultura, ascitis, ganancia de peso","pdfLink":"Articulos\/Ganaderia\/42. Sindrome Ascitico en pollos de engorda.pdf","text":"\r\n
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Autores: Equipo Editorial INTAGRI<\/span><\/em><\/strong><\/p>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n
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El desarrollo de la avicultura en áreas de genética y nutrición ha permitido obtener las líneas de pollo de engorda actuales. Sin embargo, este beneficio ha tenido que pagar un alto costo metabólico, que se refleja en nuevos problemas que causan elevada mortalidad en las parvadas, como es el caso del Síndrome Ascítico (SA), que cada día se presenta con una mayor incidencia sin respetar programas de medicina preventiva, época del año o tipo de instalaciones, y que puede afectar severamente la economía de las empresas.<\/span><\/p>\r\n\r\nEste Síndrome Ascítico ha aumentado estos últimos años debido a la necesidad de acortar el tiempo de sacrificio, como consecuencia se produce este síndrome, debido al aceleramiento de la ganancia de peso y mayor conversión, por lo tanto las aves tienen mayores exigencias de oxígeno y una aceleración metabólica.<\/span><\/p>\r\n\r\nEn México se expone que la incidencia de ascitis en relación a la mortalidad general de los pollos de engorda es de un 36 %. <\/span><\/p>\r\n\r\nLa ascitis es una enfermedad, una condición patológica que se caracteriza por la acumulación de líquido en la cavidad abdominal y es producida por las causas generales de edema. El síndrome ascítico puede considerarse como una manifestación de una insuficiencia cardíaca congestiva derecha, que provoca una hipertensión hidrostática venosa generalizada, hipertrofia cardiaca derecha y edema.<\/span><\/p>\r\n<\/div>\r\n\r\n\r\n
\r\n\t\r\n\t\t\r\n\t\t\t\r\n\t\t\tFigura 1. Las líneas pesadas son las más susceptibles debido a su rápido metabolismo.<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n
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Características del Síndrome Ascítico<\/strong><\/span><\/h4>\r\n\r\nLos pollos afectados presentan un abdomen severamente distendido, intolerancia al movimiento, problemas respiratorios y cianosis. El pulmón permanece relativamente pequeño contra las dimensiones corporales.<\/span><\/p>\r\n\r\nImportancia económica<\/strong><\/span><\/h4>\r\n\r\nA pesar de las investigaciones sobre el síndrome ascítico hechas durante muchos años, es todavía un estado que ocasiona pérdidas financieras a los avicultores. Se calcula que de los 40 mil millones de pollo de engorda que anualmente se producen en el mundo, el 20% de los pollos mueren de ascitis.<\/span><\/p>\r\n\r\nEl síndrome ascítico ha causado un decremento en la producción avícola en México, así como una pérdida económica importante para avicultores, por lo que a la par ha aumentado el mejoramiento genético acompañado de un mejor crecimiento y utilización nutricional del alimento, lo que ha permitido obtener en las líneas de pollo de engorda actuales avances en los parámetros productivos comerciales.<\/span><\/p>\r\n<\/div>\r\n\r\n\r\n
\r\n\t\r\n\t\t\r\n\t\t\t\r\n\t\t\tFigura 2. Pollo que presenta síndrome ascítico.<\/span><\/p>\r\n\t\t\t<\/td>\r\n\t\t<\/tr>\r\n\t<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n
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Factores causantes<\/strong><\/span><\/h4>\r\n\r\nFactores genéticos <\/strong><\/span><\/p>\r\n\r\n\r\n\tLa selección genética<\/span><\/li>\r\n<\/ul>\r\n\r\nEl SA es un problema en el pollo de engorda actual, la causa está relacionada con el mejoramiento a través de la selección genética de líneas comerciales tendientes a alcanzar rápidamente la edad de mercado.<\/span><\/p>\r\n\r\n