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The aim of the study was to analyze sexual activities of gilts representing various genotype groups in the RBP4 and MC4R locus. Observations of gilt behaviour during the first and the second oestrus (before initiation of the reproduction phase) were carried out in the Pulawska breed from conservation breeding. The evaluation process comprised the duration of the heat as well as the intensity of heat...
Analysis of the weaned piglets reaction on the handling material with colored balls and possibility of exploration and chewing. Maintaining proper pig welfare levels in intensive production systems requires the use of appropriate handling materials. At present, there are many elements commonly referred to as "toys" in breeding and production, but not all of them meet safety and functional...
A novel mutation, insertion/deletion (InDel) was found in the porcine prolactin gene exon 5 coding for the 3’UTR. Polymorphism was detected and identified using PCR-MSSCP and DNA sequencing techniques, and then analysed with PCR-RFLP using HpyCH4III endonuclease. Inserted/deleted was an 11-bp TGTTTCTTAAC motive that occurred once or twice at position 201-222 in the amplified DNA fragment. The investigations...
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