Workers in this unit group perform tasks in breeding and raising livestock. Their functions include: performing a variety of tasks in breeding and raising cattle, sheep, pigs, fur-bearing animals, horses, goats, ostriches, reindeer or other species of livestock; breeding cattle by artificial insemination, shearing sheep, dehorning cattle, training and caring for racehorses and caring for zoo animals. Farm workers engaged in dairy farm work are classified in unit group 6-25 and those engaged in poultry farm work in unit group 6-26. Workers breeding and raising reptiles and insects are classified in unit group 6-29.