Foal watch: reading the signs and prepping the kit

Mares foal fast, usually at night, and almost always when you blink. Here's how to read the run-up and have the right kit within arm's reach when it happens.

The cruelest fact about foaling is how quickly it goes. Stage two — the actual delivery — averages twenty minutes in a normal mare, and once her water breaks the foal needs to be out and breathing on a clock. That speed is exactly why foal watch is mostly about preparation, because there is no time to drive to the feed store at 2am. The mares give you days of warning if you know what to read, and then almost none at the end.

Start watching the udder roughly two to four weeks out. It fills gradually, then in the final days the teats distend and point outward. The classic last sign is "waxing" — little beads of dried colostrum on the tips of the teats, usually within 24 to 48 hours of foaling, though plenty of mares break this rule. Some leak milk for a day or two beforehand, which is worth noting because a mare dripping a lot of colostrum is wasting the antibodies her foal needs; if she's streaming milk, call your vet about collecting and freezing some. The other tells are softening around the tailhead as the pelvic ligaments relax, a relaxed and lengthening vulva, and a mare who goes off by herself, gets restless, paces, or looks at her flank.

Many owners use a milk calcium test in the last week. Calcium carbonate in the mammary secretions rises sharply close to foaling, and a simple water-hardness test strip read each evening turns a guess into a probability — when it spikes, most mares foal within 24 to 72 hours. It's cheap insurance against sleeping through it. A foaling alarm (a halter-mounted or vulvar-stitch sensor) is the next level up if you can't physically watch her.

Here's the kit and the sequence we recommend setting up, in order, well before the udder fills.

1. Build the foaling box now: a clean, dry, well-bedded stall at least 12 by 12, ideally larger, stripped and re-bedded with straw rather than shavings so the foal doesn't inhale dust and you can see what's going on. Put the mare in it two to three weeks early so she develops antibodies to that exact environment.

2. Assemble a dedicated foaling kit in one bucket and keep it outside the stall door: tail wrap, roll cotton and clean towels, a tube of mild lubricant, a clean bucket, exam gloves, your vet's after-hours number written on the lid, a working flashlight or headlamp, and a watch or phone with a clock you can actually see in the dark.

3. Have navel care and colostrum backup ready: dilute (about 0.5%) chlorhexidine in a small cup or a dedicated navel-dip container for the umbilical stump, an IgG test plan with your vet, and a bag of frozen mare colostrum (or a known source) in case yours doesn't have enough. Know where to get plasma if she has none.

4. Stage your phone and your plan: vet on speed dial, a second person on call, your trailer hooked or ready, and the route to the nearest equine hospital clear in your head. Decide in advance what your "we're going now" trigger is so you're not deliberating during an emergency.

When it actually starts, your job is mostly to stay quiet and watch the clock. Once the water breaks you want to see the amnion, then two front feet soles-down with a nose resting on the cannon bones — the "diver's position." That picture is normal; let her work. What is not normal is a red, velvety membrane appearing at the vulva instead of the pale amnion ("red bag," a premature placental separation), only one foot, a foot pointing up, or twenty minutes of hard straining with no progress. Any of those, you call immediately. This is the moment to already understand the foaling complications where minutes matter, because recognizing trouble fast is the whole game.

Resist the urge to pull, intervene, or rush in the instant the foal lands. A normal foal needs a few minutes with the cord intact — significant blood transfers from placenta to foal in those moments — so let the cord break on its own as the mare or foal moves, then dip the navel. From there you slide straight into the next chapter, the part where the real countdown begins: the first 24 hours of the foal's life and its stand-nurse-pass timeline.

Foal watch is exhausting and almost always anticlimactic — you'll lose sleep over a mare who foals cleanly in eight minutes the one night you stepped away. That's fine. The whole point of all this preparation is that when the rare bad night comes, your kit is staged, your vet's number is on the bucket lid, and you already know what you're looking at.