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01000naa a22002652 4500 |
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NLM224395386 |
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DE-627 |
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20231224062823.0 |
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tu |
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231224s2012 xx ||||| 00| ||eng c |
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|a pubmed24n0748.xml
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|a (DE-627)NLM224395386
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|a (NLM)23342942
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Nkhalambayausi-Chirwa, Evans M
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Assessment of nutritional value of single-cell protein from waste-activated sludge as a protein supplement in poultry feed
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| 264 |
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1 |
|c 2012
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 19.04.2013
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|a Date Revised 23.09.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a The amount of protein wasted through sludge in Gauteng, South Africa, amounts to 95 000 metric tonne/yr, with the order of magnitude of the national protein requirement of approximately 145 000 metric tonne/yr. Waste-activated sludge (WAS) from wastewater treatment plants (WWTPs) that treat domestic wastewater contains protein in a ratio of 2:1 against fishmeal. This protein source has not been utilized because of the high content of toxic heavy metals and other potential carcinogenic pollutants in the sludge. In this study, a pretreatment method of modified aqua regia dilute acid wash was used to lower the metal content by approximately 60%. However, this resulted in a 33% loss of amino acids in the acid-washed WAS. A feed substitution test in poultry with different fishmeal-sludge ratios (0%, 25%, 50%, 75%, and 100% WAS as percent substitution of fishmeal) showed no impact of sludge single-cell protein (SCP) on mortality rate. However, sludge substitution in the feed yielded weight gains and cost savings up to 46%
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| 650 |
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a Amino Acids
|2 NLM
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| 650 |
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7 |
|a Dietary Proteins
|2 NLM
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| 650 |
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7 |
|a Metals, Heavy
|2 NLM
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| 650 |
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7 |
|a Sewage
|2 NLM
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| 700 |
1 |
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|a Lebitso, Moses T
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 84(2012), 12 vom: 10. Dez., Seite 2106-14
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
8 |
|g volume:84
|g year:2012
|g number:12
|g day:10
|g month:12
|g pages:2106-14
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|a GBV_USEFLAG_A
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| 912 |
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|a SYSFLAG_A
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| 912 |
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|a GBV_NLM
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| 912 |
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|a GBV_ILN_350
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| 951 |
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|a AR
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| 952 |
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|d 84
|j 2012
|e 12
|b 10
|c 12
|h 2106-14
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