Extracts from ‘The History of the Rise and Progress of the Killerby, Studley and Warlaby Herds of Shorthorns’ by William Carr— London— W. Ridgway, Piccadilly.² Page 41.

“Yet even in such cases (where deterioration had not appeared) it is doubtless advisable to have occasional recourse to remote alliances, taking care to have as many removes as possible between members of the same family; or, where using bulls nearly related to the cows, giving the preference to such as have been subjected to different conditions of life, it being a well known³

⁠⟨⁠several lines excised⁠⟩⁠

The above is quoted by M^r Lewes F^r. Allen in his “History of the Shorthorn Cattle” published at Buffalo in 1872,⁴ and he says of it, at page 113,

“Sound physiological principle that should be heeded by all careful breeders”.

With reference to the above it may be stated that Col Gunter of Wetherby, Yorkshire, bought the bull Fourth Duke of Thornedale 17750 which was imported to England from the herd of M^r. S. Thorne, of Thornedale, State of New York. U.S.A.⁵

The use of this bull at Wetherby to the Duchesses (same family as his own) was not attended with such results as would have arisen from an infusion of fresh blood.

In no case that I am aware of did such an opportunity occur as in this of practically testing the theory alluded to.