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The aim of the study was to determine the level of gastro-intestinal parasite infections in sheep farmed organically (herd E, 30 ewes) and kept conventionally (in two conventional sheep operations), in total confinement (herd K1, 16 ewes) or under a pasture system (herd K2, 25 ewes). Every month during the grazing season coproscopic examinations by the McMaster method were conducted, making a total...
The levels of infection with gastro-intestinal nematodes were compared in heifers of various technological groups. The highest inddence and intensity (EPG) were found in the oldest age-group (2-year-old). Mean values of the highest infectionin seasonal dynamics occured in May and August.The infection of the Nilverm treated heifers, used for mating and of those used for breeding, was lower than that...
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