We're going to say what everyone's thinking: a torn comb on your top hen is enough to make any chicken keeper's heart do a little fowl-fluttering panic. But before you call the vet and empty your wallet, take a breath, because this mystery probably has a simpler, less terrifying explanation than you'd think. We've been down this clucking road before, whether we were trying to figure out if that fluffy chick was really a hen or secretly a rooster, or watching a hen's comb turn purple and droopy during a rough molt. The good news? A tear is almost always mechanical, not medical.
Let's look at the clues you've given us. You've got 16 hens, a few hefty mean ones who usually target the youngsters, and one senior lady who's been top of the pecking order for five years. She doesn't fight with her two old pals, and she's never been a bully to the younger birds. So what happened? The most likely culprit is an accident, a snag on a piece of hardware cloth, a sharp branch in the run, or a clumsy landing from a roost bar. Combs are fragile, blood-rich tissue, and they tear surprisingly easily. It's the same reason we tell folks to check their Cluck if you know: my feathery mystery is one egg-citing identity crisis when they're trying to sex a bird, comb size and shape can change fast with injury or health, throwing off all your guesses. A tear doesn't mean illness; it usually means "oops, I caught my head on something."
Of course, you're right to wonder about one of those larger younger hens finally getting bold. A top hen doesn't lose a fight to a subordinate without leaving a lot more evidence. Pecking order battles are loud, messy, and usually end with missing feathers, not a single clean tear. If she were being bullied, you'd see other hens avoiding her, fresh scabs, or a sudden change in her behavior around the feeder. You haven't mentioned any of that. So we're leaning hard toward "accident" over "attack." And since you've ruled out a rooster's amorous attentions (those spurs can shred a comb during mating), you can cross that off your list too.
Here's your concrete takeaway: clean the wound gently with saline or plain water, apply a dab of antibiotic ointment (no painkiller, just the basic stuff), and keep an eye on it for three days. If it scabs over and she's eating, drinking, and acting like the boss hen she is, you're in the clear. If it looks infected, swollen, oozing, or turning black, then yes, call the vet. But chances are, this is a cosmetic issue, not a health crisis. We've seen this exact worry play out in Our girl's purple comb and weight loss have us clucking with worry, where the real problem turned out to be a molt, not a predator or a disease. Sometimes the scariest-looking injuries are the ones that heal fastest. So watch that comb, don't panic, and maybe give your senior girl an extra treat, she's earned it after five years of keeping the peace.