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Celem przeprowadzonych badań było sprawdzenie skuteczności podawanego lochom syntetycznego β-karotenu oraz kwasu foliowego jako stymulatora płodności i plenności loch w doświadczeniu prowadzonym przez cztery kolejne cykle reprodukcyjne. Materiał doświadczalny stanowiło 180 loszek rasy wbpxpbz, przydzielonych do trzech grup doświadczalnych liczących po 60 sztuk. W trzech pierwszych cyklach reprodukcyjnych...
The purpose of the study was to assess the effect of Uterotonic-Polfa on the results of fertility of adult and young sow and the number of piglets born by these females. The examinations were carried out on 243 females which had been divided into two groups: group I - 125 animals including 111 multiparous sows and 14 primaparous animals aged approximately 8 months. They were given Uterotonic-Polfa...
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