B. Szostak, V. Katsarov Abstract. Analyses of traits were conducted on six farms breeding Polish Large White pigs and six breeding Polish Landrace pigs. Farms were selected for the analysis based on their similar environmental conditions and the average size of the sow herds, which ra

S. Dimitrov, G. Bonev, I. Penchev, R Krejci Abstract. The aim of this study was to examine the efficacy of intramuscular administration of 2 mg of alfaprostol in sows at the end of pregnancy in the induction of parturition. Ninety-six multiparous sows included in this trial were treat