“…The majority of studies used domestic pigs or piglets [5,13,16,17,18,19] mainly of female gender [10,13,16,18,20,21,22,23,24,25,26,27,28,29]. Regarding the exact breed, mostly landrace [10,21,22,30,31] or landrace × large white [5,13,16,20,24,26,32,33,34] animals were used.…”