Workability refers to three traits that reflect how easy a cow is to have in the herd: milking speed, shed temperament and overall likeability. Workability is included in all three indices. Workability ABVs are expressed as a percentage more or less than an average of 100. To improve workability traits in your herd, select animals with Milking Speed ABV, Temperament or Likeability ABVs of more than 100.