A mixed yard defeats single-horse thinking. Foals and youngstock graze beside veterans, competition horses come and go to shows, a rescued pony arrives with no history, and all of them share fields, gateways and water troughs. Modern worm control is a vet-directed targeted programme built on evidence rather than routine dosing, and on a yard like that the evidence has to be gathered group by group. These are the conversations worth having, in roughly the order a vet will want them.
Counts Per Group, Never a Yard Average
The first conversation is about faecal egg counts organised by group: the youngstock together, the horses in regular work together, the retired and veteran group together, and any grazing group that actually shares a field treated as its own unit. A yard-wide average would conceal exactly what you need to know, because a few heavy shedders can contaminate pasture for everyone while most horses carry very little. Ask the vet how groups should be defined on your yard, which animals count as higher risk within each group — the young, the old, the poor doers — and how individual results feed back into which horses, if any, the programme acts on. The aim is a map of pressure across the yard, refreshed over time, not a single number in a diary.
Grazing: Rotation, Rest and the Droppings Routine
The second conversation is about the pasture itself, because grazing management does work no product can. Discuss how fields are rotated and rested between groups, whether different species ever graze behind the horses, how stocking density shapes worm pressure on your acreage, and the droppings routine: how paddocks are cleared, how often, and what happens to what is collected. Marshy gateways, poached corners and the strip beside the water trough earn a mention, since larvae concentrate where horses congregate. None of this is a prescription; it is an audit of your actual fields with the one professional who can weigh which changes buy the yard the most. A change as plain as resting the youngstock field longer, or lifting droppings from the small paddock far more thoroughly, can feature in the plan alongside anything else the vet advises.
New Arrivals and Movement Between Groups
The third conversation covers arrivals, the moment a yard's careful programme usually leaks. Agree where a new horse is held on arrival, what counting or checking the vet wants done before that horse joins a grazing group, and how long the separation lasts. Cover internal movement too: a horse stepping down from the competition group into the veterans' field changes both groups' picture, and a livery leaving and returning from a show is a smaller version of the same event. Writing the arrival routine down, and having every livery on the yard follow the same one, matters more than its exact details — a programme enforced for nine arrivals and skipped for the tenth is a story worms are happy to finish.
Resistance: Proving the Programme Still Works
The final conversation is about evidence over time. Worm resistance to the products in use is a live concern in equine practice, and the way a yard finds out is by looking at its own count records: are the same horses shedding heavily season after season, are counts across a group drifting upward, and what does the vet read into the pattern? Keep the records that make that conversation possible, with the same fields each time: group, grazing field, egg-count date, result, droppings routine in that field. A truthful line might read: veterans' group, lower paddock, count completed in March, two horses notably higher than the rest, droppings lifted daily in that field. With two or three years of such lines, the vet is advising from your yard's own evidence rather than from habit.
A Pet Passport record per horse, gathered through KinsLe, links each animal's counts to the yard story, so group decisions and individual histories stay connected.