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What are the bedding options for a calf?

If you work with calves like I do—whether supplying to small-scale dairy farms, livestock operators, or even specialty rescue groups—you know that the bedding you use for young calves isn’t just a “soft layer” to keep them comfortable. It’s a foundational part of their health, growth, and long-term productivity. Over the 12 years I’ve run my calf supply business, I’ve worked with hundreds of farmers to figure out which bedding solutions stand up to the unique needs of very young calves (think bottle-fed pre-weaned calves, those just moved to group pens, or calves recovering from minor illnesses). Calves under 8 weeks old can’t regulate their body temperature well, their immune systems are still developing, and they spend most of their time lying down—so a bad bedding choice can lead to everything from hypothermia in winter to scours, or even extra vet bills that cut into a farm’s profits. Calf

Let’s start with the non-negotiables for calf bedding, because I’ve seen too many suppliers cut corners here. First, absorbency is non-negotiable. Calves urinate frequently (up to 4 times an hour for young ones) and they lay directly in their waste if the bedding can’t pull moisture away from their skin. Second, ease of cleaning and replacing—calf pens need to be tidied at least twice a day, so if bedding is heavy or falls apart when you rake it, you’re wasting time and money. Third, low dust. Calves breathe shallowly, and dusty bedding can lead to respiratory issues that linger long after the bedding is changed. Fourth, safety: no sharp edges, no toxic chemicals, and no small pieces that a curious calf might chew and choke on. Fifth, affordability—farmers are always watching their budgets, so great bedding doesn’t have to break the bank.

Now, let’s break down the most common bedding options I recommend to my calf clients, with the pros, cons, and best-use cases I’ve learned through hands-on experience, not just textbook theory.

First up: Straw. This is the most traditional bedding for calves, and it’s still a favorite for good reason. I supply high-quality, wheat straw that’s cut into 2-3 inch pieces for young calves (longer straw can get tangled around their legs, and shorter pieces don’t provide enough insulation). The biggest pro of straw is that it’s a natural product—no chemicals, no dust if you source it right, and it’s incredibly warm. I once had a dairy farmer in northern Minnesota tell me that when he switched from sawdust to straw for his pre-weaned calves, he saw a 30% drop in cases of mild hypothermia during the harsh winter months. Straw is also highly insulative because the hollow stalks trap air, creating a buffer between the calf’s body and the cold pen floor. That’s a game-changer for outdoor calf hutches, which 90% of my supply clients use for pre-weaned calves.

But straw has its downsides too. It’s less absorbent than many newer options—if a calf pees, that moisture sits on top of the straw until you turn it, so it can get moldy if it’s not replaced often enough. It’s also more labor-intensive: you have to “fluff” it every day to keep the air pockets intact, and completely replace it every 3-5 days for pre-weaned calves, which means more time spent cleaning pens. It’s not ideal for group pens with 4 or more calves, because calves will pile on top of each other and trample the straw, creating wet, matted spots. That said, for individual calf hutches, where each calf has their own space, straw is hard to beat. I always tell clients to buy straw from local farms when possible—straw that’s been sitting in a damp barn for months will have dust and mold, so fresh, dry straw is non-negotiable.

Next: Sawdust and Wood Shavings. These are the most commonly requested bedding by the dairy farmers I work with, especially for group calf pens. The key here is not any old sawdust—avoid pressure-treated wood (it has toxic chemicals) and sawdust from treated lumber, which can leave fine particles that calves breathe in. I supply kiln-dried softwood shavings (pine or spruce) because they have a natural scent that repels flies, and they’re far more absorbent than straw. Kiln drying also kills mold spores, bacteria, and any pests, which is a huge win for young calves’ immune systems. When I first started my business, I made the mistake of selling “barn-dried” shavings once— a client came back a week later with 8 calves that had mild respiratory issues, because the shavings had fine dust and mold from being stored in a damp shed. I’ve never done that again, and now I only source kiln-dried shavings from trusted lumber mills that specialize in agricultural bedding.

Pros of shavings: They’re extremely absorbent—they can hold up to 3x their weight in urine, so the pen stays drier longer. They’re softer than straw, so less risk of leg abrasions, which is important for calves that are learning to stand and walk. They don’t get matted as easily as straw, so you can just “top-dress” them (add new shavings on top of the old ones) every 2 days instead of full replacement, cutting down on labor. The downsides: They’re less insulative than straw, so they’re not the best for outdoor hutches in temperatures below 20°F, unless you add a thick layer. Also, some calves will eat fine sawdust, which can cause impaction if it’s ingested in large amounts—for that reason, I don’t recommend fine sawdust for pre-weaned calves under 2 weeks old. I always advise clients to use medium-grade shavings, which have larger chunks that are less likely to be chewed.

Third bedding option: Rubber Mats. Wait, I know what you’re thinking—rubber mats aren’t “bedding” in the traditional sense, but they’re a complementary layer that 70% of my clients pair with other bedding for group pens. If you put a thick layer of shavings or straw directly on a concrete pen floor, the moisture from urine will seep through and make the floor cold, which makes the bedding less effective. Rubber mats (I supply ¾ inch thick, textured mats that grip the floor and don’t slip) create a barrier between the bedding and the cold concrete, so the insulation of your straw or shavings works twice as well. They’re also way easier to clean—you can spray them down with a pressure washer once a week, which cuts down on manure buildup and reduces the risk of scours from bacteria. I had a client with a 20-head group pen of weaned calves switch from concrete + straw to rubber mats + shavings, and he told me his calf vet bills dropped by almost 40% in a year. The only downside of rubber mats is that they’re an upfront cost—they’re more expensive than buying bedding every month. But when you calculate the savings in bedding (you use 30% less straw/shavings because they don’t get wet as fast) and vet bills, they pay for themselves in 6-8 months. I always recommend starting with a few mats if a farm is on a budget, rather than investing in a whole pen at once.

Fourth: Alternative Beddings for Specialized Needs. I’ve had clients ask about hay, peat moss, even recycled bedding like sand, and I’ve worked with all of these too, so let’s cover the ones that actually make sense for calves. First, sand. Sand is great for group pens, especially for calves that are weaned and over 4 weeks old. It’s extremely durable, drains well (so it never gets soggy), and you can rake it and replace only the soiled spots, so it lasts for months. The downside is that it’s heavy—you can’t just haul a bag of sand in a pickup, it needs to be delivered in bulk, and it’s hard on calves’ hooves if it’s not level. I only recommend sand for larger group pens (10+ calves) where the farm has a way to move bulk material. Second, peat moss. Peat is super absorbent, insulative, and low dust, but it’s expensive and not sustainable. I only suggest it for sick calves that need extra isolation, since it’s more sterile than other options. Third, hemp bedding. It’s a newer option, made from hemp fiber, and it’s highly absorbent, dust-free, and natural. It’s great for calves with respiratory issues, but it’s 2-3x more expensive than shavings, so I only recommend it for small-scale operations or specialty calves.

Now, let’s talk about the biggest mistakes I see farmers make with calf bedding, because even if you pick the right type, poor management can ruin it. First, not replacing bedding often enough. Pre-weaned calves (under 8 weeks) need full bedding replacement every 3-5 days in individual hutches, and every 2 days in group pens. If you leave old, soiled bedding, it’s full of E. coli, Salmonella, and other bacteria that cause scours, the number one health issue for young calves. Second, using dirty or moldy bedding. I once had a client bring in a calf with a fungal infection on its skin, and traced it back to moldy straw he bought from a local farm that stored it outside in the rain. Always check bedding for musty smells, clumps, or green/black spots before using it. Third, not adjusting bedding for weather. In the summer, you can use a thinner layer of shavings, and top it more often instead of replacing it. In the winter, add a 6-inch layer of straw or shavings, and fluff it daily to keep air pockets intact. Fourth, mixing bedding types. I’ve seen clients mix straw and shavings to “save money,” but that creates a matted, unabsorbable layer that’s worse than using either alone.

As a calf supplier, my number one goal isn’t just to deliver healthy, well-raised calves to farms—it’s to help those farms keep their calves healthy from day one, and bedding is the foundation of that. If you’re raising calves, whether you’re a small family farm with 5 head or a commercial operation with hundreds, getting your bedding right will save you time, money, and heartache down the line. I’ve worked with so many clients who thought bedding was an afterthought, until they had a breakout of scours or a case of hypothermia that cost them multiple calves. That’s why I take the time to walk each client through their specific needs: how many calves they have, their climate, if they’re using individual hutches or group pens, and their budget, to recommend the right bedding solution for them.

If you’re in the market for high-quality calf bedding that’s tested, safe, and tailored to your operation, I’d love to chat. I can provide bulk pricing, delivery options, and even guidance on the best bedding management practices for your specific setup. Whether you’re switching from a cheaper bedding option that’s not working, or you’re starting a new calf operation and need help setting up your pens from scratch, my team and I have the hands-on experience to help you make the right choice for your calves and your farm.


Cattle References:

  1. National Agricultural Library. (2021). Calf Housing and Bedding Best Practices. U.S. Department of Agriculture.
  2. Animal Welfare Institute. (2020). Guidelines for Calf Bedding and Environment for Dairy and Beef Operations.
  3. Journal of Dairy Science. (2019). Effects of Bedding Type on Pre-Weaned Calf Health and Growth Rates. Vol. 102, No. 11.
  4. Penn State Extension. (2022). Managing Calf Bedding for Optimal Health and Labor Efficiency.

Hebei Honde Industrial Trade Imp & Exp Co., Ltd.

Address: Room 1904, Yintai International Building, No.36 Guang’an Street, Shijiazhuang, Hebei, China
E-mail: Helen@hbhonde.com
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