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Celem badań było określenie wpływu L-karnityny podanej lochom w ciąży wysokiej i w laktacji na ich płodność i odchów potomstwa. Badaniami objęto 20 loch PIC, przydzielonych do grupy kontrolnej (K) i doświadczalnej (D). Lochy z grupy D od 90. dnia ciąży do końca laktacji (28. dzień) otrzymywały w mieszance dodatek L-karnityny (50 mg/kg paszy). Przy odsadzeniu prosiąt od loch z grupy D, w porównaniu...
The purpose of the research was to determine the influence of using synthetic seminal plasma of boar (Predil MR-A®) to stimulate the reproductive tract of gilts and sows on reproduction indices and the economic justification of using the addition under production circumstances. The studies included 633 gilts and sows which were divided into groups: according to the number and means of administrating...
The results of sows' reproduction depend (in about 90%) on environmental factors, especially nutrition. The level of feeding in particular periods of reproductive cycle and balanced diets influence the changes in body weight and fatty reserve, the level of culling sows from herd, renewal of reproductive cycle and obtaining expected reproduction parameters. The metabolic rate and endocrinological processes,...
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