Szostak1*, A. Stasiak2, V. Katsarov3, T. Penev4 1Institute of Animal Nutrition and Bromatology, Faculty of Biology and Animal Breeding, University of Life Sciences in Lublin, Lublin, Poland 2Department of Pig Breeding and Production Technology, Faculty of Biology and Animal Breeding,

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 Abstract. The aim of this study was to examine the efficacy of hormonal treatment of lactating sows with a combination of 400 UI PMSG and 200 UI hCG one day before weaning. The treatment with Fertipig of a total of 88 sows induced estrus with an average period of

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

The use of synthetic seminal plasma (Predil MR-A®) as a method to facilitate procedures with cervical and post-cervical artificial insemination of sows: comparative results J. A. Garcia Ruvalcaba, R. Pallas Alonso, R. Hernandez-Gil and S. Dimitrov