Everyone knows that the dry matter composition of waste milk is 13 percent. Right?

No. Wrong!

I was pleased to find in a recent press release from Penn State the results of monitoring waste milk dry matter composition on nine dairy farms over a period fifteen days.

Farm Average Minimum Maximum
# D.M
1 10.7 10.1 11.2
2 10.5  9.4 13.9
3 10.1  9.3 10.8
4 10.5 8.6 11.7
5 10.3 8.3 11.0
6 10.1 9.0 10.9
7 10.2 9.8 10.7
8 10.8 10.2 11.8
9 10.3 9.7 10.6

Given the average dry matter from these nine farms is about 10.4 percent, the question is,"What rate of gain would we expect from feeding this milk to calves?"

Find out the answer here.