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D Arnaudov

Publications and source records attributed to D Arnaudov.

At least 37 records · Page 2Linked to original sources

[Distribution and seasonal dynamics of Hyalomma plumbeum (Panzer) species ticks in Pazsrdzhik District].

Determined were specifially a total of 12,580 Ixodes ticks taken from various farm animals. The seasonal dynamics of the parasites were followed up studying the infection in the farm animals in four communities of the Pazardjik district. It was established that from 50.7 to 60.02 per cent of the ticks belong to the Hyalomma plumbeum species. These parasites were found in 45 communities on the territory of the district excluding its southern high mountainous parts. The H. plumbeum infection in farm animals was found from April to November. Most active and numerous were the parasites in June. In the regions of highest altitudes they were prevailing in July.

Animals↗

[Immunoepizootological study of ovine toxoplasmosis].

The authors examined for toxoplasmosis (by means of an indirect hemagglutination reaction) 698 sheep kept in different places in Bulgaria. Out of this total number, 217 (= 31.1%) responded positively to the tests. In sheep delivering stillborn foetuses the positive response was much more frequent (43.3%) than in sheep with normal parturitions (21.0%). Sheep from montane regions showed a significantly higher positivity (40.3%) than sheep from lowland regions (18.3%). Three cystogenic strains of Toxoplasma gondii were isolated from six stillborn lambs. Out of the 493 sheep examined in Czechoslovakia, 33.3% gave a positive response in an indirect hemagglutination reaction, 29.7% responded in an indirect fluorescence reaction, and 11.6% in a microprecipitation reaction in agar gel. Attention is drawn to the epizootological and economic importance of the study of ovine toxoplasmosis.

Animals↗