consequences of the unusually warm and dry summer of 2003 in the netherlands: poor development of free living stages, normal survival of infective larvae and long survival of adult gastrointestinal nematodes of sheep.during 2003 a grazing study was performed at utrecht university to evaluate evasive grazing and application of duddingtonia flagrans for the control of parasitic gastroenteritis in sheep. however, the summer of 2003 (june-august) was unusually warm and dry. as a result the patterns of gastrointestinal nematode infections deviated from those observed in more average years. the proportion of eggs that developed to infective larvae was far lower than normal in july-august. on the other hand, surviv ...200516009492
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