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The studies were carried out on 70 pigs fed a modified ,,PP-prestarter” concentrate for about 127 days. Feeding this fodder took place in young pigs weighing 25,5 kg and lasted until they reached a body weight = 109 kg. The assessment of radioactivity concerned the fodder and its components and the following parts of muscles and internal organs: the back of the neck, joint of pork, sirloin, liver,...
Eighty-eight pigs (34 boars and 54 sows) of the Polish White Lop-eared breed were used for experiment. Several hematologic and biochemical indicators were determined in blood and plasma of 14 and 42 days old pigs. As the pigs were growing basic phosphatase activity decreased and the activities of acid phosphatase, LDH, aldolase, AspAT and ALAT increased. There was also an increase in the level of...
Исследовали фракции жирных кислот в молоке польских свиноматок (пулавская, польская вислоухая, польская крупная белая). Установлено, что жирные кислоты С₁₆ и C₁₈ составляют выше 90% целого содержания кислот. Фракции жирных кислот с числом атомов угля 12-15 составляли от 3 до 5%. Самое высокое содержание (65,12%) ненасыщенных кислот было в молоке польских крупных белых свиноматок, а самое низкое у...
Исследованиями обняли 154 откармливаемых свиноматок из единоличных хозяйств на территории 6 избранных гмин, входящих в состав сырьевого района мясокомбината в Люблине. Оценку потенциальной плодовитости провели на основе измерений массы органов (яичники и матка) и числа граафовых пузырьков на яичниках. Полученные результаты показывают, что у свиноматок весом 85-135 кг изменчивость массы обоих яичников...
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