NK2A,
NK2B, and NK2C nucleotide sequence analysis in four homozygous individuals (2527, 2796, 2822, and 3850). Five different clone sequences (Seq. 1–5) from four individuals were phylogenetically analyzed with four bovine NK-lysin reference sequences (NK1, NK2A, NK2B, and NK2C) and corresponding pig (Pig-NKL) and horse (Horse-NKL) orthologs by the MEGA 6.0. Bootstrap values are shown at branch points.