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| 01940cam 2200361za 4500 |
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| 001 | 9.849652 |
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| 003 | CaOODSP |
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| 005 | 20221107153951 |
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| 007 | cr ||||||||||| |
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| 008 | 180108s1979 oncd||||o f000 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn--- |
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| 086 | 1 |aCW69-9/104E-PDF |
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| 100 | 1 |aSugden, Lawson G. |
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| 245 | 10|aPreliminary measurements of grain wasted by field-feeding mallards |h[electronic resource] / |cby Lawson G. Sugden and D. Wayne Goerzen. |
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| 260 | |a[Ottawa] : |bCanadian Wildlife Service, |c1979. |
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| 300 | |a5 p. : |bcharts |
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| 490 | 1 |aProgress notes ; |vno. 104 |
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| 500 | |a"November 1979." |
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| 500 | |aIssued also in French under title: Estimations préliminaires du gaspillage de grains par les canards malards qui s'alimentent dans les champs. |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographical references. |
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| 520 | |a"When waterfowl, particularly ducks, feed on swathed grain they not only eat the grain but also waste some by trampling and fouling. To the farmer who loses both ways, it matters little whether the grain is eaten or wasted. It is, however, of concern to the crop protection manager, who tries to make the most efficient use of lure crops, and who must evaluate feeding programs in terms of benefit/cost"--Introd. |
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| 692 | 07|2gccst|aBirds |
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| 692 | 07|2gccst|aGrains |
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| 692 | 07|2gccst|aMeasurement |
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| 700 | 1 |aGoerzen, D. Wayne. |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 2 |aCanadian Wildlife Service. |
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| 775 | 08|tEstimations préliminaires du gaspillage de grains par les canards malards qui s’alimentent dans les champs |w(CaOODSP)9.860119 |
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| 830 | #0|aProgress notes (Canadian Wildlife Service)|vno. 104|w(CaOODSP)9.504439 |
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| 856 | 40|qPDF|s294 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-9-104-eng.pdf |
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