My cousin was only saying last night that he has to give copper to his flock at end of Jan and end of Feb each year to prevent sway back.
We fed our orphans creep and now lamb feed to wean and they still get a scoop or two each day now they are in the field with the rest, the reason for this is, we dont have a sheep dog, my terriers hunt and would be off at the merest hint of a deer scent. So we want the orphans to act as guide to the rest of our little flock to get them in to the pens for shearing, vaccs, worming etc.
The orphans went in the field last wednesday and so far have managed to tempt 8 of the flock down to the trough with them for a nut or two, only 19 left to persuade!!