Feeding & Nutrition

The guinea pig arrived in a cardboard box from my daughter, small, round, and already chewing the box, which I took as a sign of health and didn't question the way I should have. Guinea pigs' teeth grow forever, and a bored or under-mineralised one will chew anything, the cage, the bars, the skirting, your sleeve, and our girl started on the bars the second week, rattling them in a way that sounded like a tiny prisoner planning a break.

I assumed it was boredom and bought her a bigger run, more hay, a tunnel, the works, and the bar-chewing slowed but didn't stop, and then I noticed her eating had gone careful, one side only, and a vet visit showed the real problem, an overgrown molar pressing into her cheek, grown long because her diet was short on the roughage and calcium that wears teeth down and builds them right. The bars weren't boredom, they were a symptom with a cause I'd dressed up as a personality.

The fix was dull but effective, a calcium powder shaken onto her veg and a switch from the soft colourful pellets to a plainer, hay-heavy mix that made her chew properly, the way the chewing is meant to work, grinding the molars flat instead of letting them spike. Within a fortnight the bar-rattling stopped, the careful one-sided eating stopped, and she went back to being a round contented blob who chews hay the way she should, loudly and often.

What the whole episode taught me, beyond the obvious about reading the cage, was that small pets hide trouble until it's loud, and the loud part is usually the end of a slow story I'd missed. The bars were her telling me, in the only language she has, that something in the bowl was wrong, and I'd nearly answered with a bigger cage instead of a better diet.

She's ancient now by guinea pig standards and still chews, but it's hay and the occasional cardboard tube, the right kind of chewing, the kind that keeps the teeth honest. The calcium tub lives in the cupboard next to her run, and every time I shake it on her greens I remember that the bars were a message, not a habit, and that the diet was the reply she needed.

The lip healed, slowly, the vet filed the spike, and the girl who'd rattled her cage in pain now rattles it only when she wants the door open for a roam, which is a different thing entirely, a request not a cry. A guinea pig's teeth are a quiet clock that needs the right food to tick straight, and the pellet switch the vet ordered was the only answer the bars had been asking for all along.

My daughter, who'd picked the colourful bag because it looked like the guinea pig version of a sweet shop, took the swap in her stride once she saw the lip close, and now she's the one who checks the hay is fresh and the powder is on. The small pet taught the whole house a lesson about listening, and the bars, which I'd nearly answered with a bigger cage, turned out to be the most honest complaint a creature with no words could make.

The hay, it turned out, was the part I'd cheaped on, a dusty bale from the pet shop that the girl nibbled from duty, not joy, and the vet pointed at it like a teacher at the wrong answer. Good hay, fresh and sweet, she chews by the hour, the teeth wear as they should, and the calcium powder on her greens does the building while the hay does the grinding, the two jobs the colourful bag had been failing at alone.

The bill for the filing was modest, less than the fancy pellets had cost over a year, and the lesson cost less than the worry, which is the usual arithmetic of small-pet surprises. A guinea pig is a cheap pet until the cage starts talking, and then the conversation is cheap to answer if you listen early, which I didn't, but the bars gave me time, and the lip gave me the push, and the hay did the rest.

The vet, filing the spike and sending us home, said the bars had done the talking and I'd been a slow listener, which was fair, and the calcium tub on the cupboard is the answer I keep now for next time the cage speaks. A guinea pig is a cheap pet until the cage starts talking, and then the conversation is cheap to answer if you listen early, which I didn't, but the bars gave me time and the lip gave me the push, and the hay did the quiet grinding that finished the job the colourful bag had fumbled alone. The bars, in the end, were right, and the pellets were wrong, and the girl with the rattling cage was the only one telling the truth.