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У 26 убойных коров провели пальпационные исследования яичников и определили уровень прогестерона. Через ок. 16 ч. во время забоя выпрепарировали яичники и визуально определили образования на них. Одновременно брали кровь для повторного определения концентрации прогестерона. Получили полное соответствие уровня прогестерона с состоянием яичников, установленным секцион- но. Появилось зато большое расхождение...
In 40 cows and heifers oestrus was synchronized using Polish preparation of Cloprostenol. As control served 42 cows and 39 heifers in which oestrus was synchronized with Oestrophan (Czechoslovakia). Oestrus was observed in all animals. In all, 93% and 86% of cows became pregnant synchronized with Polish and Czechoslovakian preparations, respectively. In heiferis the respective numbers were 75% and...
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