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Gustafsson, Fredrika (2008) Effects of koccidiae- and nematode infections in first-year grazing calves. Other thesis, SLU.

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Abstract

Twenty-four calves, which had not grazed previously, were divided into four groups. They were subsequently inoculated orally with either E. alabamensis oocysts, O.ostertagi/C. oncophora larvae, or both. One group remained uninfected and was used as a control. Following inoculation the animals were released into clean, equal grazing paddocks. During the following 10 weeks, the calves were regularly weighed, and faeces samples were collected and examined for oocysts and eggs. After grazing season, the groups were statistically compared with respects to weight gain and degree of parasites in faeces. Clear clinical evidence of negative impact from E. alabamensis infection was found, alongside with a tendency for these individuals to gain less weight compared to uninfected or solely nematode infected calves.

Item Type: Thesis (Other)
Keywords: betesparasiter, koccidios, diarré, E. alabamensis, inokulering
Subject (faculty): Faculty of Veterinary Medicine and Animal Science > Department of Biomedical Science and Veterinary Public Health
Divisions: SLU > Faculty of Veterinary Medicine and Animal Science
Depositing User: Fredrika Gustafsson
Date Deposited: 20 Aug 2008
Last Modified: 18 Aug 2015 10:07
URI: http://ex-epsilon.slu.se/id/eprint/2747

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