Veterinarian in the pigsty- the mixed group

After feeding my mixed group of pigs earlier, today it's time for the slaughter fitness test. As a veterinarian wearing an orange apron, I first select the right pig and then examine it thoroughly in the pen next door: palpating the pig's udders, performing an anal examination, and everything else. My colleague has immediately passed the fitness test. His two real counterparts look on curiously from next door through the bars and grunt contentedly. Ultimately, it's clear: this guy is up tomorrow! Fit for slaughter.