The short answer
Masterfeeds RiteMins Winter is made for this job: bred cows in early and mid-gestation on hay and cereal forage. It has 20% calcium, 5.5% phosphorus, 2.5% magnesium, 18% salt to help regulate intake, trace minerals, selenium and vitamins A, D and E. The target is 100 g per cow per day. Pipestone Farm Supply carries the 25 kg bag.
We keep this on hand, so it's ready to go. In-stock orders can ship as soon as the same day, and depending on where you are, your parcel can arrive in as little as 1 to 2 business days once it's on the road. Pickup in Millet, Alberta is free, and shipping is free on orders over $199.99 to most addresses.
RiteMins Winter from Masterfeeds. It is balanced for pregnant beef cows in early and mid-gestation on hay and moderate cereal forage, with 20% calcium to fortify stored feed.
Sources: Masterfeeds, RiteMins Winter Premix
Yes, stored feed often needs the help. RiteMins Winter adds calcium, phosphorus, magnesium, trace minerals and vitamins A, D and E for bred cows on hay and cereal forage. Pipestone Farm Supply carries it.
Sources: Masterfeeds, RiteMins Winter Premix
Masterfeeds targets 100 g per head per day of RiteMins Winter, as part of a balanced ration with clean, fresh water.
Sources: Masterfeeds, RiteMins Winter Premix
At 100 g per cow per day, a bag gives 250 cow-days. That is about 25 days for 10 cows, or 5 days for 50 cows.
Sources: Masterfeeds, RiteMins Winter Premix
About 19 cents with RiteMins Winter at Pipestone Farm Supply: $46.75 for 25 kg, fed at the 100 g a day target.
Sources: Masterfeeds, RiteMins Winter Premix
20% calcium, 5.5% phosphorus, 2.5% magnesium and 18% salt, plus trace minerals, selenium at 30 mg/kg and vitamins A, D and E.
Sources: Masterfeeds, RiteMins Winter Premix
The 18% salt improves palatability and helps regulate intake, and it supplies most of the sodium a cow needs. Masterfeeds suggests a salt block too if your water is low in sodium.
Sources: Masterfeeds, RiteMins Winter Premix
Calcium, phosphorus, magnesium, salt, trace minerals and vitamins A, D and E all matter. RiteMins Winter supplies them in one bag, and Masterfeeds says its trace minerals promote fetal growth and immune support.
Sources: Masterfeeds, RiteMins Winter Premix
RiteMins Winter is meant for hay and moderate cereal forage rations. Alberta's government links winter tetany to grain with straw or greenfeed rations low in calcium and magnesium, so test your feed to see what the ration needs.
Sources: Government of Alberta, Winter Tetany FAQ, Masterfeeds, RiteMins Winter Premix
It is a metabolic problem most common in late pregnancy and after calving, and affected cows can stagger, tremble or go down. Alberta's government ties it to rations low in calcium and magnesium and high in potassium. Feed testing and the right mineral are the place to start, and call your vet for a down cow.
Sources: Government of Alberta, Winter Tetany FAQ, Masterfeeds, RiteMins Winter Premix
Yes, 2.5%, along with 20% calcium, to complement rations in early and mid-gestation.
Sources: Masterfeeds, RiteMins Winter Premix
Masterfeeds says to feed RiteMins Winter until one or two months before calving, then move to a calving and breeding mineral as the cow's needs climb.
Sources: Masterfeeds, RiteMins Winter Premix
Yes, it is a loose premix in a 25 kg bag. Pipestone Farm Supply carries it.
It is labelled for cattle, so keep it to your beef herd.
Pipestone Farm Supply in Millet, between Leduc and Wetaskiwin, carries RiteMins Winter in the 25 kg bag.
RiteMins Winter is formulated for bred cows on hay and moderate cereal forage. Its 20% calcium fortifies stored forage at just 100 g a day.
Sources: Masterfeeds, RiteMins Winter Premix
Yes. We are building our inventory as the business grows, and with enough volume we can bring in what you need from Masterfeeds. Contact Pipestone Farm Supply about a product or quantity.
Not on the shelf right now, but with enough volume we can bring in a Masterfeeds calving mineral for you, and we can look at dropping it off right at your farm. Contact Pipestone Farm Supply about the quantity you need.
With enough volume, yes. Pipestone Farm Supply will happily order in a custom Masterfeeds mineral for you, and we can look at delivering it to your farm. Contact us about what you need and how much.
Close by? Pipestone Farm Supply is in Millet, Alberta, less than 15 minutes from Leduc and Wetaskiwin and less than 30 minutes from south Edmonton. See drive times from your area.
Updated November 5, 2026 by Pipestone Farm Supply, Millet, Alberta.
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