Biodegradation of pig waste: Breakdown of soluble nitrogen compounds and the effect of copper

K. Robinson*, S. R. Draper, A. L. Gelman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The common practice of supplementing pig rations with copper sulphate leads to the excretion of copper in the faeces, producing levels in the slurry as high as 750 ppm. The aerobic biodegradation of pig waste under laboratory conditions has been shown to be progressively inhibited up to 500 ppm of added copper. This concentration is sufficient to prevent reduction in Chemical Oxygen Demand and degradation of soluble nitrogen compounds.

Original languageEnglish
Pages (from-to)49-56
Number of pages8
JournalEnvironmental Pollution (1970)
Volume2
Issue number1
DOIs
Publication statusPrint publication - Jul 1971

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