[ovine dicrocoeliasis: incidence of climatic factors and share in the setting of a forecasting method (author's transl)].study of annual activity cycle of ants parasited with dicrocoelium lanceolatum. effect of some climatic factors (temperature, rainfall) on seasonal variations of the number of clinching parasited ants. a close analysis of the data displays a double correlation: the increase of the number of clinching ants indirectly brought about by precipitations and this with some delay; a strong decrease by high temperatures in the height of summer. setting of a calendar including the different stages of the ...1978727642
study of gastro-intestinal strongylosis in a sheep flock on permanent pasture 2. sheep parasitism in 1978-1979.the epidemiological study carried out in 1977 in the limousin region of france was continued for the next two years. eighty-five lambs were slaughtered at the rate of five animals every weeks: sixty were slaughtered from may 1978 to march 1979 and twenty-five from may to september 1979. total parasite counts and coprological examinations were carried out. in spring the infestation of the lambs was early and heavy, and revealed that certain free-living stages can survive in low temperatures. the ...19854014986
[epidemiological studies on 121 case of human fascioliasis occurring during 25 years (author's transl)].epidemiological investigations in haute-vienne (france) showed the occurrence of 121 cases of human fascioliasis between 1955 and 1979. 39 cases were counted in limoges and 82 cases in the other districts of haute-vienne with a higher number of cases located in the western districts of low altitude (under 300 m). human cases occurred nearly through all the years, but they were more abundant on years with an important f. hepatica infection of cattle and sheep. the infected plants' ingestion occur ...19827105299
[biological control of lymnaea truncatula müller in haute-vienne, france. apropos of several factors limiting its application].the author analyzes the positive and negative results of a year of biological control by predation on 49 stations of lymnaea truncatula in haute-vienne, france. the negative results can be explained by the effects of 6 natural factors: 1--the rainfall over the habitats during the first 10 days of the experimentation. the rate of natural mortality and predation of l. truncatula is reduced at values above 8 mm rainfall. the predatory snails leave the sodden soil and do not consume l. truncatula; 2 ...19817258995
toxoplasma gondii infection in sheep from haute-vienne, france: seroprevalence and isolate genotyping by microsatellite analysis.ingesting meat of free-range livestock, mainly sheep, is associated with human toxoplasmosis in european countries. data on toxoplasma gondii infection in french ovine livestock are relatively scarce. sera from 164 lambs and 93 ewes slaughtered in haute-vienne district, france, were tested by a direct agglutination test. antibodies to t. gondii were found in 36 (22.0%) lambs and in 61 (65.6%) ewes. in addition, to attempt parasite isolation for genotyping, hearts from 50 other ewes were obtained ...200616919879
[toward a better knowledge of the pesticides used by municipality in rural society: example of limousin region (france)].a survey concerning pesticide uses by municipalities located in countryside areas, was carried out through inquiries submitted to 39 different municipalities representative of the limousin area (france) except for limoges city. the rate of answers was 72 % (28 municipalities). extensive breeding of bovines and sheep represents the majority of agricultural practices in this area. the objective of this investigation to highlight the operational pesticides uses among different municipalities. the m ...200717500315
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