That averages 1.78 pounds per day growth rate. While these calves are small, they are fast growing and efficient, so 1.5 to 2.0 pounds per day would seem to be a goal to reach for, but there are challenges.1  Calves can only eat so much.2  True-only 2-6 gallons of liquid per day. 3  Cold requires more energy to live.hile these calves are small, they are fast growing and efficient, so 1.5 to 2.0 pounds per day would seem to be a goal to reach for, but there are challenges. 1  Calves can only eat so much. 2  True-only 2-6 gallons of liquid per day. 3  Cold requires more energy to live.
For more info, see the section on calcium absorption. High calcium foods include dark leafy greens, cheese, low-fat milk and yogurt, bok choy, fortified tofu, okra, broccoli, green beans, almonds, and fish canned with their bones. The daily value (DV) for calcium is 1000mg.
The best way to get more calcium is from your diet. You probably already know that dairy products -- such as milk, cheese, and yogurt -- provide calcium. To get vitamin D from food, fish is a good option.