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tom 15
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nr 05
RU
Авторы провели индикаторные прививки вакциной „С 19” в скотных дворах свободных от бруцеллеза иммунизированных штаммом С 19 (I) и в дворах зараженных Br abortus bovis (II). Агглютинационные титры в 3 недели после „индикаторных” прививок в I случае резко выросли, но то же явление установлено у 80% животных во II случае. Авторы приходят к выводу, что вышеописанный, метод не имеет практического значения.
EN
The authors performed „index” inoculations with the S-19 strain in stables free from brucellosis protected by S-19 strain (I) and in stables infected with Brucella abortus bovis (II). The agglutination titres obtained 3 weeks after the „index” inoculations were markedly increased in the cause of inoculation with S-19, the same phenomenon being observed in the stable II (in about 80 per cent of animals). Basing on these results the authors conclude that this method of the differentiating of the sick animals from naturally infected ones is no pratical value.
EN
Effect of maximum tolerant dose of Bilevon 9015-Bayer on the histological and histochemical changes in the internal organs and on the level of the vitamin B₂, B₁₂ and PP in the liver of the rats was studied. It was shown that Bilevon 9015-Bayer caused not only the morphological changes in the duodenum (oedema villi) and in the kidney (extravasations), but also produced the stress reaction that was expressed by the decrease of the glycogen content in the liver and the depletion of lipids in the inner layers of the adrenal cortex. Although the toxic effect was still seen after 72 hours, but it was transient and no changes were found on the 7th day of the experiment. This effect was not probably caused by the properties of the drug, but by the dose used in the experiment. No significant changes in the level of the examined vitamins in the liver could be seen.
EN
The effect of hexachlorethane, 1, 4, 2, 3-chlormethylbenzene and hexachlorophene, given in therapeutic doses, on the vitamin B₂, B₁₂ and PP levels in the caecum content and liver of rats as well as on the serum vitamin B₁₂ level was studied. Histological and histochemical changes in internal organs of rats receiving the same compounds were also examined. Hexachlorethane produced significant changes in the level of vitamins B₂ and B₁₂. These changes were observed chiefly in the first stage of experiment. The remaining compounds, i. e., 1, 4, 2, 3-chloromethylbenzene and hexachlorophene inhibited slightly the synthesis of vitamins B₂ and B₁₂ in the caecum during the first 12 or 24 hours after application but, in general, they had no practical effect on the level of vitamins B₂, B₁₂ and PP in rats.
EN
Strategy of analysis and results from solution of CEGRN epoch campaign in 2005 Combined solution of CEGRN 2005 based or individual solutions from six an: centres and its comparison with CEGRN 2003 coordinates. Time evolution of coordinates at some long-term observed CEGRN sites obtained during epoch camp since 1994 and the related problems.
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