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The purpose of the present study was to determine the effects of combined administration of lead, copper and selenium on the organism of birds. The experiments were carried out on White Leghorn hens /Shaver flock, Astra line/ in their second laying period. The hens were fed traditionally and kept in groups. For six weeks, on alternate days, the following metals were added to the feed, either in combination...
Монкевич E., Ячевский С., Павлина Э., Радзанов- ская Г. — Влияние эмиссии медеплавильного завода на содержание свинца, меди и цинка в кормах, крови и органах коров. Авторы исследовали в ближайшем соседстве медеплавильного завода содержание свинца, меди и цинка в кормах, а также крови, печени, почках и избранной мышце скота, пользуемого в 3 зонах загрязнения. Оказалось, что уровень вышеупомянутых элементов...
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