The condition target at tupping
Everything about late-season grazing is aimed at one checkpoint: the day the ram goes in. Ewes in moderate, fit condition cycle strongly, conceive readily and carry lambs without the problems that cluster at the extremes. A ewe who is too thin may cycle late or weakly and struggle to hold condition through pregnancy on winter feed, while an over-fat ewe is likelier to miss, to suffer metabolic trouble around lambing, and to produce a sluggish start for her lambs. Working through the flock with a hand on each ewe's back and loin before the grazing plan is set tells you which group actually needs building up and which needs holding steady.
What flushing does, and who it works for
Flushing is the lift in nutrition given in the weeks running into mating, and its power lies in the direction of travel: a ewe whose feed is rising as tupping approaches reads that improvement as a signal that the season ahead can support lambs, and typically sheds more eggs than a ewe on a falling or static plane. The response is strongest in ewes sitting just below target condition — they have something to gain. Ewes already at or above the target gain little from extra feed, which is why blanket-flushing a whole flock wastes your best grass on the sheep least likely to respond to it. The effect also fades if it is reversed: a flock flushed carefully and then dropped onto bare keep for tupping itself has been given the signal and had it withdrawn at the critical moment.
Grazing that delivers a rising plane
The best flushing pasture is clean, leafy regrowth: the aftermath that comes back after a hay or silage cut, or fields rested since midsummer, where ewes bite digestible leaf rather than stem and seed head. Move the group before the field is grazed into the mud — tight grazing on tired pasture lowers intake exactly when you need it climbing, and poached, wet ground breeds foot trouble on the eve of mating. Keep mineral supplementation running alongside, keep fresh water in front of them, and graze any fields with a known worm burden earlier in the season with other stock rather than spelling ewes onto them now.
Timing, and protecting the gain
Start the lift several weeks before the ram joins, because the effect builds over the cycle rather than overnight, and hold the plane steady through the first weeks of tupping before easing the group onto its winter regime. Avoid nutritional checks — a sudden move to bare ground, a stressful gathering, a day without feed for handling — in the fortnight either side of joining, when embryos are at their most fragile. A teaser ram run with the ewes beforehand can tighten the lambing period, but the grazing job is simpler: condition right, plane rising, no setbacks. Re-score the groups a fortnight before joining and be ready to move a batch up or down a field, because a flushing plan written once at the start of autumn rarely survives contact with the weather unchanged. Logging the field moves and condition checks in KinsLe's Care Teams keeps the whole run-up visible to everyone working the flock, so the flushing window is protected rather than lost to a busy week.