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The longevity and reproductive performance of 190 crossbred Redone sows inseminated with the semen of hybrid Gallia boars were analyzed in this study. The sows were kept on a large commercial farm in optimal environmental conditions, in line with welfare requirements. Sows produced an average of 2.2 litters a year. The total number of litters farrowed was 1380 (7.26 litters per sow on average). The...
The approach of deriving new photoresponsive active supramolecular azopolymers based on the hydrogen bonds is described. Polymers with imide rings, i.e., poly(esterimide)s and poly(etherimide)s, with phenolic hydroxyl or carboxylic groups were applied as matrixes for the polymer–dye supramolecular systems. Supramolecular films were built on the basis of the hydrogen bonds between the functional groups...
This paper describes meat consumption preferences of people from antiquity inhabiting the territory of present day Poland based on archaeological evidence from the skeletal remains of domestic and wild animals. Much information is provided about meat stocks and the scale of meat consumption by various social groups from these ancient times. Skeleton remains of cattle from the Neolithic period, (estimated...
The aim of the paper was to define the most important causes leading to the birth of stillborn and mummified piglets. The influence of the following factors was analyzed: the effect of the boar’s and sow’s breed, successive litters, the season of mating, as well as the sex and weight of piglets. 334 litters born in the years 2002-2005 were analyzed. Numerous aspects were examined: the total number...
Doświadczenie przeprowadzono na 20 loszkach F1 WBP x PBZ w wieku około 170 dni tuczonych do masy ciała 90-100 kg i podzielonych losowo na cztery grupy po pięć zwierząt. Doświadczenie trwało 14 dni. W grupie C – kontrolnej – tucznikom zadawano dziennie po 3 kg mieszanki pełnoporcjowej, nie zawierającej ochratoksyny A (OTA) ani mikotoksyn ZEN, AFT i DON.W każdej z trzech grup doświadczalnych (E1, E2,...
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