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Comparison of the results of rearing the suckling piglets, receiving different Fe preparations. The aim of the studies was determine the results of rearing the piglets which received three different preparations of iron (Fe) by injection. The sows, the progeny of which was covered with the observations, were at random assigned before parturition, to one from three experimental groups – E1, E2 and...
The aim of the paper was to evaluate the effect of the birth body weight of the piglets on their productivity and survivability up to the age of 10 weeks. The observations covered the piglets born by 11 sows F1 of Polish Large White × Polish Landrace, inseminated by the semen of the boras (Duroc × Pietrain). The piglets were weighed on 1st, 21st, 35th and 70th day of life and the feed intake (per...
The purpose of the studies was to determine the number of piglets born (NPB) and reared until 21 day (NPR) by the sows of Polish Landrace and Polish Large White breeds, differing in the number of teats. For calculations, the results from breeding pig houses of the Mazovian region, collected during the years 2004-2009, were employed. Three groups of females were distinguished for the particular breeds:...
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