The dairy animal requires a minimal amount of energy (NEm equals net energy for maintenance) to provide for bodily functions such as blood circulation, respiration, and internal body temperature regulation.
(The dairy animal; requires; a minimal amount of energy (NEm equals net energy for maintenance) (NEm; equals; net energy for maintenance)
The dairy animal NEm
requires equals
a minimal amount of energy (NEm equals net energy for maintenance
net energy for maintenance