differences between horn fly densities on cattle pastured in Wyoming and Nebraska as possibly influenced by elevation

Adult horn fly densities were determined at three elevations (800, 1800 and 2400 m) over two years using fly counts on cattle. In 1995, cattle at the 800 m elevation had the highest density of flies. In 1996, the greatest density of flies occurred on cattle at the 1800 m elevation. In both 1995 and...

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Veröffentlicht in:	The Southwestern entomologist 1999-06, Vol.24 (2), p.115-121
Hauptverfasser:	Kaufman, P.E, Lloyd, J.E, Kumar, R, Campbell, J.B, Boxler, D.J
Format:	Artikel
Sprache:	eng
Schlagworte:	altitude cows Haematobia irritans heifers infestation pastures population density temporal variation USA, California USA, Nebraska
Online-Zugang:	Volltext
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