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Factores que alteran la ecología microbiana del rumen
1Agricultural Research Service, U.S. Department of Agriculture, USA.
Science (New York, N.Y.)
|May 16, 2001
Resumen
Las dietas bajas en fibra interrumpen la relación simbiótica entre los rumiantes y los microbios rumiantes, lo que lleva a problemas de salud. Los aditivos alimentarios pueden ayudar, pero pueden alterar aún más el ecosistema ruminante.
Área de la Ciencia:
- Ciencias de los animales Ciencias de los animales.
- Microbiología Microbiología.
- Medicina Veterinaria La medicina veterinaria es el campo de la medicina en el que se desarrolla la medicina veterinaria.
Sus antecedentes:
- Los rumiantes y los microorganismos rumiantes dependen de la simbiosis para la digestión de las fibras.
- Las dietas modernas de rumiantes domésticos en las naciones desarrolladas a menudo carecen de suficiente fibra, favoreciendo las raciones basadas en granos.
Objetivo del estudio:
- Examinar las consecuencias de las dietas deficientes en fibra en la fisiología de los rumiantes y la ecología microbiana ruminante.
- Comprender el impacto de los aditivos alimentarios comunes en el ecosistema ruminante.
Principales métodos:
- Análisis de la alteración de la homeostasis fisiológica en rumiantes.
- Monitoreo del pH ruminal y los cambios en la ecología microbiana.
- Evaluación de los efectos de los aditivos para piensos como los antibióticos y los amortiguadores.
Principales resultados:
- Las dietas deficientes en fibra alteran la homeostasis fisiológica y reducen el pH ruminal.
- Estas dietas alteran la ecología microbiana ruminal, aumentando la susceptibilidad a enfermedades metabólicas e infecciosas.
- Los aditivos para piensos, mientras contrarrestan algunos trastornos, modifican aún más la composición del ecosistema ruminante.
Conclusiones:
- Las dietas deficientes en fibra presentan riesgos significativos para la salud de los rumiantes domésticos.
- El uso de aditivos alimentarios requiere una cuidadosa consideración debido a su impacto en el medio ambiente ruminante.
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