Efectos de la suplementación con L-carnitina en el síndrome de ascitis (hipertensión pulmonar) en los pollos de engorde cultivados a gran altura

Effects of L-Carnitine Supplementation on Ascites (Pulmonary Hypertension) Syndrome in the Broilers Grown at High Altitude

Objetivo. Investigar los efectos de la L-carnitina como un medio potencial para reducir la incidencia de ascitis en pollos de engorde y su relación con parámetros fisiológicos y bioquímicos. Material y métodos. Se utilizaron 300 pollos de engorde machos de un día de edad (Ross 308) en el ensayo. El grupo sin suplementación de L-carnitina (0) se asignó como control y los grupos que recibieron suplementos de 100, 150, 200 y 250 mg/L de L-carnitina en agua se asignaron como grupos de tratamiento. La prueba se completó en 35 días. Resultados. La suplementación de L-carnitina no tuvo ningún efecto significativo sobre el aumento de peso vivo, consumo de alimento, consumo de agua y tasa de conversión alimenticia. Los niveles de plasma sanguíneo y los parámetros del hemograma HDL, triglicéridos, CK RBC y MCH se vieron afectados significativamente por L-carnitina (p<0.05). El valor del pH del parámetro del gas en sangre se vio significativamente afectado por la suplementación con L-carnitina en los pollos de engorde con ascitis. El valor del pH del gas en la sangre aumentó significativamente con la suplementación de 100 mg/L de L-carnitina en comparación con la del control (p<0.05). Mientras que el pH de la sangre fue de 7.21 en los animales con ascitis, se determinó como 7.48 en animales sanos. Las concentraciones de SO₂ y ctO₂ fueron mayores en animales sanos, mientras que las concentraciones de ctCO₂P y hemoglobina fueron mayores en animales ascíticos (p<0.05). Conclusiones. Las tasas de mortalidad por ascitis a partir del grupo control se calcularon respectivamente como %; 20.00, 18.33, 26.67 y 28.33. 76.71% de las muertes totales de ascitis fueron en la quinta semana. Se concluyó que dosis bajas de suplementos de L-carnitina pueden tener efectos positivos en los pollos de engorde criados a gran altitude.

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