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Effect of dietary phosphorus and vitamin D3 on phosphorus levels in effluent from the experimental culture of rainbow trout (Oncorhynchus mykiss)
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dc.contributor.author | Coloso, R. M. | |
dc.contributor.author | Basantes, S. P. | |
dc.contributor.author | King, K. | |
dc.contributor.author | Hendrix, M. A. | |
dc.contributor.author | Fletcher, J. W. | |
dc.contributor.author | Weis, P. | |
dc.contributor.author | Ferraris, R. P. | |
dc.date.accessioned | 2014-01-14T06:11:30Z | |
dc.date.available | 2014-01-14T06:11:30Z | |
dc.date.issued | 2001 | |
dc.identifier.citation | Coloso, R. M., Basantes, S. P., King, K., Hendrix, M. A., Fletcher, J. W., Weis, P., & Ferraris, R. P. (2001). Effect of dietary phosphorus and vitamin D3 on phosphorus levels in effluent from the experimental culture of rainbow trout (Oncorhynchus mykiss). Aquaculture, 202(1-2), 145-161. | en |
dc.identifier.issn | 0044-8486 | |
dc.identifier.uri | http://hdl.handle.net/10862/1892 | |
dc.description.abstract | Excessive phosphorus (P) levels in aquaculture effluents violate federally mandated limits and pose a serious threat to the freshwater environment. In rainbow trout culture, effluent P probably originates as fecal and metabolic waste product because assimilation of dietary P is relatively low. We therefore decreased dietary P and increased dietary vitamin D3 levels, methods that enhance P assimilation in mammals, in purified and semi-purified trout diets, then monitored effluent P. Soluble effluent P reached a peak right after feeding and returned to baseline levels in between feeding times. The peak and average concentrations of soluble P in the effluent were mainly influenced by dietary P. Average P in fecal dry matter also decreased with dietary P. Neither dietary P nor vitamin D3 under the conditions of the experiment had significant effects on whole body P content but P deposition (as a percentage of P intake) decreased with increased dietary P. The dietary combination of low P and high vitamin D3 decreased soluble and fecal P levels in the effluent indicating a strategy whereby effluent P concentrations can be reduced by regulation of P metabolism. | en |
dc.language.iso | en | en |
dc.publisher | Elsevier | en |
dc.subject | Oncorhynchus mykiss | en |
dc.subject | Rainbow trout | en |
dc.title | Effect of dietary phosphorus and vitamin D3 on phosphorus levels in effluent from the experimental culture of rainbow trout (Oncorhynchus mykiss) | en |
dc.type | Article | en |
dc.citation.volume | 202 | |
dc.citation.issue | 1-2 | |
dc.citation.spage | 145 | |
dc.citation.epage | 161 | |
dc.citation.journalTitle | Aquaculture | en |
dc.subject.asfa | animal metabolism | en |
dc.subject.asfa | aquaculture effluents | en |
dc.subject.asfa | environment | en |
dc.subject.asfa | diet | en |
dc.subject.asfa | phosphorus | en |
dc.subject.asfa | pollution control | en |
dc.subject.asfa | vitamin D | en |
dc.subject.asfa | pollution | en |
dc.identifier.doi | 10.1016/S0044-8486(01)00572-5 |
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AQD Journal Articles [1215]
These papers were contributed by AQD staff to various national and international journals