Phosphorus in dairy farm systems.
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| Auteur: | |
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| Format: | artículo original |
| Statut: | Versión publicada |
| Date de publication: | 2005 |
| Description: | Due to the intenseuse of P fertilizers and livestock manure in modern dayagriculture, P has become an accelerator of fresh watereutrophication, resulting in reduced oxygen availabilitybecause of growth of algae and their decomposition. Recentresearch indicates that dietary P management is a key strategyto reduce P imports and accumulation on dairy farms. Thus,a more precise formulation of dairy rations can lead tosubstantial reduction in fecal P excretion without impairinganimal productivity. Some mathematical equations arepresented in order to estimate P excretion by dairy cows.These equations would be very useful when developingnutrient management programs. The objective of the studywas to make a brief commentary of the importance of P in thebody, understand that excess P can be an important threat tosurface waters, and to find the easiest and most economicways to reduce P excretion in dairy farm systems. |
| Pays: | Portal de Revistas UCR |
| Institution: | Universidad de Costa Rica |
| Repositorio: | Portal de Revistas UCR |
| Langue: | Español |
| OAI Identifier: | oai:archivo.portal.ucr.ac.cr:article/11877 |
| Accès en ligne: | https://archivo.revistas.ucr.ac.cr/index.php/agromeso/article/view/11877 |
| Mots-clés: | phosphorus animal nutrition dairy cattle environment pollution phosphorus excretion. fósforo nutrición animal ganado de leche contaminación ambiental excreción de fósforo. |