What does milk protein percentage tell farmers? 

A milk protein test measures the energy status of the herd and the effectiveness of the diet offered. Picture: Andy Gibson. 

How many herds see a drop in milk solids each spring? Where do they go looking for the solution to the problem?

It has been shown that the most reliable indicators of energy balance in the herd are overall dry matter intakes, milk protein percentage, and body condition score (BCS).