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Relating the ability of mallards to ingest high levels of sediment to potential contaminant exposure in waterfowl
When waterfowl feed from the bottom of bodies of water, they sometimes ingest sediments along with their food, and this sediment can be a major source of contaminants. Learning how much sediment waterfowl can consume in their diet and still maintain their health would be helpful in assessing potenti...
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| Published in: | Environmental toxicology and chemistry 2010-07, Vol.29 (7), p.1621-1624 |
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| Main Authors: | , , , |
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| cites | cdi_FETCH-LOGICAL-c4464-9747b40e62a5dc77f64aa4b5cafdf6c366d3a4a247a25782ff1c97294e406a8b3 |
| container_end_page | 1624 |
| container_issue | 7 |
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| container_title | Environmental toxicology and chemistry |
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| creator | Heinz, Gary H. Beyer, W. Nelson Hoffman, David J. Audet, Daniel J. |
| description | When waterfowl feed from the bottom of bodies of water, they sometimes ingest sediments along with their food, and this sediment can be a major source of contaminants. Learning how much sediment waterfowl can consume in their diet and still maintain their health would be helpful in assessing potential threats from contaminants in sediment. In a controlled laboratory study the maximum tolerated percentage of sediment in the diet of mallards (Anas platyrhynchos) was measured. When fed a well‐balanced commercial avian diet, 50, 60, or 70% sediment in the diet on a dry‐weight basis did not cause weight loss over a two‐week period. Ducks fed this same commercial diet, but containing 80 or 90% sediment, lost 8.6 and 15.6% of their body weight, respectively, in the first week on those diets. After factoring in the ability of the mallards to sieve out some of the sediment from their diet before swallowing it, we concluded that the mallards could maintain their health even when approximately half of what they swallowed, on a dry‐weight basis, was sediment. Environ. Toxicol. Chem. 2010;29:1621–1624. © 2010 SETAC |
| doi_str_mv | 10.1002/etc.174 |
| format | article |
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Nelson ; Hoffman, David J. ; Audet, Daniel J.</creator><creatorcontrib>Heinz, Gary H. ; Beyer, W. Nelson ; Hoffman, David J. ; Audet, Daniel J.</creatorcontrib><description>When waterfowl feed from the bottom of bodies of water, they sometimes ingest sediments along with their food, and this sediment can be a major source of contaminants. Learning how much sediment waterfowl can consume in their diet and still maintain their health would be helpful in assessing potential threats from contaminants in sediment. In a controlled laboratory study the maximum tolerated percentage of sediment in the diet of mallards (Anas platyrhynchos) was measured. When fed a well‐balanced commercial avian diet, 50, 60, or 70% sediment in the diet on a dry‐weight basis did not cause weight loss over a two‐week period. Ducks fed this same commercial diet, but containing 80 or 90% sediment, lost 8.6 and 15.6% of their body weight, respectively, in the first week on those diets. After factoring in the ability of the mallards to sieve out some of the sediment from their diet before swallowing it, we concluded that the mallards could maintain their health even when approximately half of what they swallowed, on a dry‐weight basis, was sediment. Environ. Toxicol. Chem. 2010;29:1621–1624. © 2010 SETAC</description><identifier>ISSN: 0730-7268</identifier><identifier>ISSN: 1552-8618</identifier><identifier>EISSN: 1552-8618</identifier><identifier>DOI: 10.1002/etc.174</identifier><identifier>PMID: 20821613</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>Anas platyrhynchos ; Animals ; Blood plasma chemistries ; Body weight ; Consumption ; Contaminants ; Contaminated sediments ; Diet ; Diets ; Ducks - physiology ; Environmental Exposure ; Foods ; Geologic Sediments ; Health ; Learning ; Mallards ; Sediment ingestion ; Sediments ; Soil contaminants ; Studies ; Swallowing ; Toxicity ; Water Pollutants, Chemical - toxicity ; Waterfowl ; Wildfowl</subject><ispartof>Environmental toxicology and chemistry, 2010-07, Vol.29 (7), p.1621-1624</ispartof><rights>Copyright © 2010 SETAC</rights><rights>Copyright (c) 2010 SETAC.</rights><rights>Copyright Blackwell Publishing Ltd. 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Nelson</creatorcontrib><creatorcontrib>Hoffman, David J.</creatorcontrib><creatorcontrib>Audet, Daniel J.</creatorcontrib><title>Relating the ability of mallards to ingest high levels of sediment to potential contaminant exposure in waterfowl</title><title>Environmental toxicology and chemistry</title><addtitle>Environmental Toxicology and Chemistry</addtitle><description>When waterfowl feed from the bottom of bodies of water, they sometimes ingest sediments along with their food, and this sediment can be a major source of contaminants. Learning how much sediment waterfowl can consume in their diet and still maintain their health would be helpful in assessing potential threats from contaminants in sediment. In a controlled laboratory study the maximum tolerated percentage of sediment in the diet of mallards (Anas platyrhynchos) was measured. When fed a well‐balanced commercial avian diet, 50, 60, or 70% sediment in the diet on a dry‐weight basis did not cause weight loss over a two‐week period. Ducks fed this same commercial diet, but containing 80 or 90% sediment, lost 8.6 and 15.6% of their body weight, respectively, in the first week on those diets. After factoring in the ability of the mallards to sieve out some of the sediment from their diet before swallowing it, we concluded that the mallards could maintain their health even when approximately half of what they swallowed, on a dry‐weight basis, was sediment. Environ. Toxicol. Chem. 2010;29:1621–1624. © 2010 SETAC</description><subject>Anas platyrhynchos</subject><subject>Animals</subject><subject>Blood plasma chemistries</subject><subject>Body weight</subject><subject>Consumption</subject><subject>Contaminants</subject><subject>Contaminated sediments</subject><subject>Diet</subject><subject>Diets</subject><subject>Ducks - physiology</subject><subject>Environmental Exposure</subject><subject>Foods</subject><subject>Geologic Sediments</subject><subject>Health</subject><subject>Learning</subject><subject>Mallards</subject><subject>Sediment ingestion</subject><subject>Sediments</subject><subject>Soil contaminants</subject><subject>Studies</subject><subject>Swallowing</subject><subject>Toxicity</subject><subject>Water Pollutants, Chemical - toxicity</subject><subject>Waterfowl</subject><subject>Wildfowl</subject><issn>0730-7268</issn><issn>1552-8618</issn><issn>1552-8618</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqF0V1rFDEUBuAgil2r-A8keKMgU_M1SeZSF90KtUKpeBkyM2e6qZnJNsm43X9vlq0VBPUqgfPwJocXoeeUnFBC2FvI3QlV4gFa0LpmlZZUP0QLojipFJP6CD1J6ZoQKpumeYyOGNGMSsoX6OYCvM1uusJ5Ddi2zru8w2HAo_Xexj7hHHAZQ8p47a7W2MMP8GkvEvRuhCnvxSbkcnPW4y5M2Y5usmUAt5uQ5gglAG9thjiErX-KHg3WJ3h2dx6jrx8_XC5Pq7Mvq0_Ld2dVJ4QUVaOEagUByWzdd0oNUlgr2rqzQz_IjkvZcyssE8qyWmk2DLRrFGsECCKtbvkxenXI3cRwM5f_m9GlDspWE4Q5GV1rwbhm8r9S1YIwQmtV5Ot_SipLKpeasUJf_kGvwxynsrHRUjDBGq5_v9zFkFKEwWyiG23cGUrMvlhTijWl2CJf3MXN7Qj9vfvVZAFvDmDrPOz-lmMKOcRVB-1Shtt7beN3IxVXtfl2vjLvT5eXK3L-2Vzwn9EBuxo</recordid><startdate>201007</startdate><enddate>201007</enddate><creator>Heinz, Gary H.</creator><creator>Beyer, W. 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Nelson</au><au>Hoffman, David J.</au><au>Audet, Daniel J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Relating the ability of mallards to ingest high levels of sediment to potential contaminant exposure in waterfowl</atitle><jtitle>Environmental toxicology and chemistry</jtitle><addtitle>Environmental Toxicology and Chemistry</addtitle><date>2010-07</date><risdate>2010</risdate><volume>29</volume><issue>7</issue><spage>1621</spage><epage>1624</epage><pages>1621-1624</pages><issn>0730-7268</issn><issn>1552-8618</issn><eissn>1552-8618</eissn><notes>istex:8120C577B5A6D51FAF0A91E1F3A0F09C1CBE65DB</notes><notes>ark:/67375/WNG-BHCTG0NM-R</notes><notes>ArticleID:ETC174</notes><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>When waterfowl feed from the bottom of bodies of water, they sometimes ingest sediments along with their food, and this sediment can be a major source of contaminants. Learning how much sediment waterfowl can consume in their diet and still maintain their health would be helpful in assessing potential threats from contaminants in sediment. In a controlled laboratory study the maximum tolerated percentage of sediment in the diet of mallards (Anas platyrhynchos) was measured. When fed a well‐balanced commercial avian diet, 50, 60, or 70% sediment in the diet on a dry‐weight basis did not cause weight loss over a two‐week period. Ducks fed this same commercial diet, but containing 80 or 90% sediment, lost 8.6 and 15.6% of their body weight, respectively, in the first week on those diets. After factoring in the ability of the mallards to sieve out some of the sediment from their diet before swallowing it, we concluded that the mallards could maintain their health even when approximately half of what they swallowed, on a dry‐weight basis, was sediment. Environ. Toxicol. Chem. 2010;29:1621–1624. © 2010 SETAC</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><pmid>20821613</pmid><doi>10.1002/etc.174</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0730-7268 |
| ispartof | Environmental toxicology and chemistry, 2010-07, Vol.29 (7), p.1621-1624 |
| issn | 0730-7268 1552-8618 1552-8618 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_858423826 |
| source | Wiley-Blackwell Journals |
| subjects | Anas platyrhynchos Animals Blood plasma chemistries Body weight Consumption Contaminants Contaminated sediments Diet Diets Ducks - physiology Environmental Exposure Foods Geologic Sediments Health Learning Mallards Sediment ingestion Sediments Soil contaminants Studies Swallowing Toxicity Water Pollutants, Chemical - toxicity Waterfowl Wildfowl |
| title | Relating the ability of mallards to ingest high levels of sediment to potential contaminant exposure in waterfowl |
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