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| Kebreab, Ermias; Hansen V, Anja; Leytem, A.B.. |
| Phosphorus (P) is an essential mineral that needs to be supplied in sufficient quantities for maintenance and growth and milk production in dairy cattle. However, over 60% of the P consumed can be excreted in faeces with a potential to cause environmental pollution. Concern over higher levels of P in intensively managed livestock systems has led to legislation such as the Water Framework Directive in the European Union. In this manuscript, several methods of reducing P pollution are discussed. A major source of environmental P pollution has been overfeeding P mainly due to addition of ‘safety margin’ over the animal’s requirement and concerns related to fertility. Matching the animal’s requirement and feeding in groups so that animals at the same... |
| Tipo: Article |
Palavras-chave: Animal; Manure; Phosphorous. |
| Ano: 2013 |
URL: http://eprints.nwisrl.ars.usda.gov/1512/1/1476.pdf |
