Merino sheep carry their predator vulnerability on their backs. The dense, fine fleece that makes the breed famous also makes a Merino slower to flee, quicker to overheat in a chase, and, when the wool grows down over the face, unable to see clearly enough to spot danger or find the gate. A Merino flock therefore needs more deliberate shepherding against predators than a lean, bare-faced sheep flock does, with night security and fleece management working together as one system.
What hunts Merinos, and why lambs change everything
Coyotes and roaming dogs cause most Merino losses, typically singling out the animal that lags, limps, or becomes separated when the flock is startled. Dogs are especially destructive because they chase for excitement and can injure many sheep in one incursion without eating any of them. Lambs face a longer list: foxes, eagles, and even bold crows gather around lambing, drawn by afterbirth and by newborns that cannot yet run with their mothers. A ewe heavy in lamb or freshly lambed is slow and distracted, and a Merino ewe in full wool may also struggle to see her own lamb, let alone a predator crossing the field. The flock's instinct to bunch helps against a single hunter but fails completely once animals panic through or over a weak fence into open ground.
Night penning: the Merino flock's main defence
Bring Merinos into a compact night pen or a secure yard beside the sheds every evening, without treating it as optional in quiet spells. The pen fence should be woven wire a dog cannot force and a sheep cannot push under, with gates that latch positively and a surface you inspect often for digging on either side. Keep the lambing flock in the safest pens nearest the buildings and remove afterbirth promptly so the lambing ground does not advertise itself.
Fleece care is predator care in this breed
Keep to a reliable shearing rhythm and, between shearings, trim the wool away from the eyes of any sheep whose face is closing over, a simple job shepherds call wigging. A sheep that can see will spot a dog at the fence, keep up with the flock, and find the pen gate at dusk instead of blundering along the wire. Fleece care also means handling sheep regularly enough to feel their body condition through the wool, because the thin, weak animal the scales would expose is precisely the one a predator selects. Check feet and treat lameness promptly for the same reason: the limping Merino at the back of a moving flock is in the most danger on the farm.
Reading a flock that cannot tell you what happened
Sheep communicate trouble through flock behaviour long before you find an injured animal. A flock pressed into one corner at dawn, refusing to leave the pen, or scattering in alarm at a familiar dog's bark has likely had a night visitor. Walk the outside of the fence for tracks, digging, and tufts of pulled wool, and check sheep individually after any disturbance, parting the fleece over the neck, brisket, and hindquarters where bites land and hide. Contact a veterinarian promptly about any bitten sheep, even one that seems merely shaken, because puncture wounds under that dense wool can fester unseen and a chased flock can suffer losses hours after the chase itself. Count carefully at both ends of the day; with dozens of near-identical fleeces, a missing sheep is easy to miss by eye alone.
A Merino flock that is penned nightly, kept clear-eyed, and handled often enough that no sheep fades unnoticed is a flock predators find remarkably hard to work on. If one sheep still slips the pen and wanders beyond your fences, KinsLe's Lost Pet Alert System lets you alert nearby Circle of Love members through KinsLe and lets whoever finds her message you directly.