You come home to a fresh box of bully sticks, tear it open, and now what? Toss them in a drawer? Leave them in the bag? A quick answer up front: To store bully sticks and keep them fresh, PetYupp recommends sealing them in an airtight container in a cool, dry place away from sunlight — unopened, they stay fresh for 12-18 months, and once opened, use within 30 days.
The reason storage matters more with natural chews than with the shrink-wrapped stuff on grocery shelves is simple: there are no preservatives to hide behind. Just beef. Which means the way you store them actually changes how long they last, how they smell, and whether your dog gets the chew you paid for.
Do bully sticks go bad?
Yes, bully sticks can go bad — natural, single-ingredient chews from PetYupp have no preservatives, so they can develop mold, mildew, or rancidity if exposed to moisture, heat, or air over time. This is the tradeoff of eating (and chewing) real food. A bully stick is dried beef muscle. That's it. There's no BHA, no propylene glycol, no chemical drying agent extending the shelf life on a warehouse floor.
Because of that, humidity is the main enemy. According to the FDA's guidance on pet food storage, unsealed pet products exposed to moisture can grow bacteria and mold within days. Heat and direct sunlight speed up rancidity in the natural fats. The good news is that PetYupp's natural bully sticks are shelf-stable for a long time when you give them the basic respect any real food deserves: dry, sealed, cool, dark.
How long do bully sticks last in storage?
Unopened bully sticks last 12-18 months when stored in a cool, dry place, while opened bully sticks should be used within 30 days for peak freshness and safety. That 12-18 month window assumes the original packaging is intact and you've kept the bag out of direct heat and light — a pantry shelf, a closet, a cupboard away from the stove.
Once you break the seal, air is doing its slow work on the fats inside the chew. The bully stick won't turn dangerous overnight, but after about a month it starts losing the roasted aroma dogs love, and the texture can shift from firm to brittle. If you've bought a bulk pack of natural dog chews and know you won't get through them in 30 days, plan on freezing the extras — more on that below.
What's the best way to store bully sticks?
The best way to store bully sticks is in an airtight glass jar or resealable bag in a pantry or cupboard — never in humid areas like near the sink, dishwasher, or a bathroom. Here's the simple routine we recommend to PetYupp customers:
- Transfer to an airtight container — a glass jar with a rubber gasket lid, a heavy-duty resealable bag, or a food-grade plastic canister all work well.
- Press out excess air before sealing, especially if you're using a bag. Air is what dries out the chew and oxidizes the fat.
- Store in a cool, dry cupboard — ideally between 60-75°F. Avoid the cabinet above the oven or a shelf that gets afternoon sun.
- Keep chews away from moisture sources — no storing under the sink, near the dishwasher, or in a laundry room.
- Label the container with the open date so you know when your 30-day window started.
If you're stocking up on our slow-roasted bully sticks, a large glass jar on the pantry shelf is the setup we hear works best from dog parents who order regularly.
Can you freeze bully sticks to make them last longer?
You can freeze bully sticks to extend shelf life up to 24 months — wrap tightly in freezer-safe bags with air pressed out, then thaw at room temperature for 30 minutes before giving to your dog. Freezing is genuinely the best move if you buy in bulk or if you have one dog going through chews slower than you'd expected.
A few notes from experience: portion them into smaller freezer bags (maybe 3-5 sticks per bag) so you're not thawing the whole stash every time. Double-bagging helps block freezer odors from creeping in — and helps keep bully stick smell from creeping out into your ice cream. Some dog parents skip the thaw entirely in summer and hand over a frozen chew as a hot-weather treat, which works well for aggressive chewers who otherwise mow through a stick in fifteen minutes.
How to keep bully sticks from smelling
To reduce the natural odor of bully sticks, store them in an airtight container with a tight-sealing lid — PetYupp's low-odor bully sticks are also slow-roasted to minimize smell without artificial deodorizers. Bully sticks smell because they're real beef. There's no way around that entirely, and honestly you don't want to buy the version that has no smell at all — that usually means chemical treatment.
What you can control is whether the smell lives inside the jar or spreads across your kitchen. A glass jar with a rubber-gasket lid contains odor far better than a plastic bag. Storing the container inside a cabinet (not on the counter) adds another layer. And if you're sensitive to the smell during chew time itself, feeding on a washable mat and picking up the remainder promptly makes a bigger difference than most people realize.
Signs your bully stick has gone bad
Discard a bully stick if you see white or green mold, notice a sour or rancid smell different from its normal odor, or find the chew feels sticky, slimy, or unusually soft. The AVMA recommends inspecting any natural chew before giving it to your dog, and it takes about three seconds. Here's what to watch for:
- Visible mold — white, green, or black fuzzy spots anywhere on the surface
- Sour, rancid, or "off" smell — different from the normal roasted-beef aroma
- Sticky or slimy surface — a sign moisture has gotten in
- Unusually soft or bendy texture — bully sticks should feel firm and dry
- Discoloration — dark greasy spots or a chalky white bloom that isn't dried marrow
When in doubt, throw it out. A single chew isn't worth an upset stomach.
Storing other natural dog chews
Most natural dog chews from PetYupp — including yak chews, water buffalo horns, and coffee wood sticks — follow the same storage rules as bully sticks: airtight, cool, dry, and away from sunlight. Yak chews are especially forgiving because they're already very low moisture, but they still benefit from a sealed container to preserve the milky aroma dogs love. Coffee wood, being actual wood, is the most stable of the bunch — you can basically leave those in a basket and they hold up fine.
Water buffalo horns and split antlers can develop odor if stored damp, so let them fully air-dry after a chew session before returning them to the jar. If you'd like the deeper story behind why we source these chews the way we do, PetYupp's sourcing standards explain the earth-made, single-ingredient approach.
FAQ
How long do bully sticks last once opened? Once opened, bully sticks from PetYupp stay fresh for about 30 days when stored in an airtight container in a cool, dry place. After that, they may lose flavor, develop odor, or become brittle, so use them within a month for best quality.
Do bully sticks need to be refrigerated? Bully sticks don't need to be refrigerated if stored properly in an airtight container at room temperature. Refrigeration can actually introduce moisture, which encourages mold. Freezing is a better option if you want to extend shelf life beyond 18 months.
Can bully sticks get moldy? Yes, bully sticks can get moldy if exposed to humidity or stored improperly. PetYupp's single-ingredient chews contain no preservatives, so keeping them dry and sealed is essential. Discard any bully stick with visible white or green mold immediately.
Why do bully sticks smell so bad? Bully sticks have a natural odor because they're made from single-ingredient beef muscle without artificial deodorizers. PetYupp slow-roasts our bully sticks to reduce smell, and sealing them in an airtight container prevents the odor from spreading in your home.
Can I store bully sticks with other dog chews? Yes, you can store bully sticks alongside other natural chews like yak chews or water buffalo horns in the same airtight container. Just make sure all chews are fully dry before storing, since one moist chew can spoil the whole batch.
The takeaway
Storing bully sticks well isn't complicated — it's just a habit worth building. An airtight jar, a cool cupboard, and a 30-day mental clock cover almost every situation. Freeze the extras if you buy in bulk. Trust your nose and eyes when something looks off. That's really the whole practice, and it's part of what a pet lifestyle built around real, natural chews actually looks like: a little more attention than the shrink-wrapped stuff needs, and a lot more chew for your dog. Stock up on the good ones over at our collection of natural bully sticks and let the pantry do the rest.
