Get some Himalayan rock salt. Buy it in chunks in 25kg sacks, it’s ridiculously expensive if you buy the little ones on a rope from the equestrian section
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We use that year round for everyone, and add the tailored mineral buckets at specific times, mainly pre-calving and pre-lambing.
Everyone loves the rock salt, and it’s safe for all the species. The Rockies licks or similar are often left untouched, and it’s yellow only for sheep, red for cattle and horses and don’t let the sheep get at it... nightmare
Personally we avoid licks that contain soya or other feed. We don’t give them licks for feed but for minerals. And they eat them greedily if they contain feed, and they’re expensive
. Whereas they do like the molasses only (no cereal) licks, and seem to only take what they need, which is good. Again, don’t let the sheep get at one that’s suitable for cattle. Many brands do one that’s suitable for all stock (but may leave cattle short on copper.)