Explore Books on
contrôle d'aptitude

Cow testing

By J. A. Ruddick

Good reasons for cow testing

By J. A. Ruddick

Milk-testing and dairy records

By T. A. F. Wiancko

Some notes gleaned from the work of the dairy record centres in 1912

By C. F. Whitley

The progress of cow testing

By Arthur Henry White

A new plan for cow testing

By Canada. Agriculture, Department of. Dairy and Cold Storage Branch.

A new plan for cow testing

By Canada. Agriculture, Department of. Dairy and Cold Storage Branch.