Dosing for worms; sorting between "in lamb" and "geld" ewes; weeding out boy "wethers" and sheep from other farms

Marking it all; painting

Everything has a sign and a meaning, each farm a different mark to identify its sheep

I ask Sam what was the meaning of half the hogs (one year olds) having yellow forehead spots, and half green. Sam and Tony, another help, laughed. "It means we ran out of yellow" said Tony.