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NW MN | I kept asking AI more questions about how my weaned calves are fed. I started with corn and kept adding more info (80% bloom 2nd crop, fed in bale rings free choice, and last I added my mineral) to narrow the response down to my actual program. I realize the only way to really know is to have my hay tested. But this seemed to put me the ballpark?? I could keep answering questions and go on and on.
Here is final product (so far).
Adding a 16-4 loose mineral (16% Calcium, 4% Phosphorus) is a smart move for this specific setup. You are essentially using the mineral to balance the "chemical scales" between your grain and your forage.
Here is why that specific 16-4 ratio works so well with your current diet and how to manage it.
1. Why the 16-4 Ratio?
In the world of cattle nutrition, the Calcium-to-Phosphorus (Ca:P) ratio is king. You want to aim for roughly a 2:1 ratio in the total diet.
* The Corn Problem: Corn is high in phosphorus but has almost zero calcium. If you fed only corn and poor grass hay, the calves would lack the calcium needed for bone growth and could develop "water belly" (urinary calculi) in steers.
* The Alfalfa/Mineral Solution: Alfalfa is naturally high in calcium. By adding a 16-4 mineral (which is a 4:1 ratio itself), you are ensuring that even with 5 lbs of phosphorus-heavy corn, the calves have more than enough calcium to stay healthy.
2. Expected Consumption
* Daily Intake: Most 500 lb calves will consume between 2 and 4 ounces of loose mineral per day.
* The "Salt" Factor: Most loose minerals are formulated with salt to limit intake. If they are eating significantly more than 4 oz, they might be "salt-hungry." If they aren't touching it, they might be getting enough salt/minerals from another source (like a salt block you might already have out).
3. Management Tips for Loose Mineral
* Keep it Dry: Once loose mineral gets wet and turns into a "brick," calves won't touch it. Use a covered mineral feeder or a wind-vane feeder that rotates to keep rain out.
* Placement: Place the mineral feeder near the water source or the path to the bale rings. If it’s tucked away in a corner they don't visit, they won't use it.
* Ditch the Blocks: You made the right call going with loose mineral. Calves often can't lick a hard block fast enough to get the actual grams of minerals their growing bones need.
The Final "Ration" Summary
You now have a complete, professional-grade growing ration:
| Component | Amount | Role |
|---|---|---|
| Whole Corn | 5 lbs (1% BW) | Energy/Starch for weight gain. |
| 80% Bloom Alfalfa | Free Choice (~10 lbs) | Protein for muscle and fiber for rumen health. |
| 16-4 Mineral | Free Choice (~3 oz) | Bone growth, immunity, and Ca:P balance. |
| Fresh Water | Unlimited | The most important "nutrient" for digestion. |
Anticipated Results: With this setup, you should see very consistent frames being built. These calves shouldn't get "bready" (fat) too early; they should grow tall and long with good muscle expression.
Would you like me to estimate your total monthly cost for this ration if you provide your local prices for corn and alfalfa?
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Share your thoughts on my calf ration and AI response
