Prevalent Parasitosis in Beef and Dairy Cattle Farms in Vidzeme Region

摘要

The aim of the study was to investigate the beef and dairy cow parasitosis epizootic situation in Vidzeme region. Research was done throughout Vidzeme territory during the period of the years 2013-2014. The total number of animals examined was: 273 dairy and 90 young beef cattle aged from 6 months to two years and 248 dairy and 29 beef cows older than two years. For the diagnosis of helminthes standardized ovoscopic and larvoscopic methods were used. For the diagnosis of protozoa flotation and modified Ziehl-Neelsen methods were used. The main species in the samples were Cryptosporidium spp., Eimeria spp. and Strongylus spp. In the young dairy and beef cattle aged from 6 months to two years and cattle older than two years Cryptosporidium spp. invasion accordingly was 32.6% and 19% (dairy cattle) and 62.2% and 65.5% (beef cattle); the invasion of Eimeria spp. 30% and 7.3% (dairy cattle) and 55.6% and 10.3% (beef cattle); and the invasion of Strongylus spp. was 17.6% and 13.7% (dairy cattle) and 43.3% and 27.6% (beef cattle). Both dairy and beef cattle were infected with Moniezia spp., Paramphistomum spp., Strongyloides spp. Dairy cows aged from 6 months to two years had Trichuris spp., Dictyocaulus spp. and Neoscaris spp. invasion.