How to Select Cows or, The Guenon system simplified, explained, and practically applied

This practical manual demystifies the Guenon system, a method for evaluating and selecting dairy cattle. Written by a seasoned agricultural expert, it walks readers through the history of the discovery, the meaning behind the distinctive escutcheon marks, and how those symbols translate into real‑world value. With nearly a hundred clear illustrations reproduced from Guenon's own drawings, the text offers a visual reference that makes identification straightforward.

Farmers and dairymen will find step‑by‑step instructions for applying the marks in the barnyard, enabling them to judge the merit of each animal with confidence. The author also shares observations from his travels to the Channel Islands, giving context to the breeds that first inspired the system. By the end of the first part, listeners will feel equipped to test the method on their own herds and see whether the promised savings and quality gains hold true.