1844, Parliamentary Papers, House of Commons and Command, Vol. XLVII, p. 131, https://books.google.ca/books?id=sGsSAAAAYAAJ&pg=PA131&dq=%22best-horned%22&hl=en&sa=X&ved=0ahUKEwjAro7Apf3MAhUJx2MKHSeMCJgQ6AEImgEwGQ#v=onepage&q=%22best-horned%22&f=false
The best horned cattle are those of Dalecarlia.
In races of sheep where both sexes are equally well horned castration has no effect on the development of horns (the same thing applies in the analogous case of reindeer. […]). [1923, Richard Goldschmidt, translated by William Dakin, The Mechanism and Physiology of Sex Determination, Methuen & Co., page 153:]
Bikehandles was a well-horned billy-goat. [1938, Xavier Herbert, chapter XI, in Capricornia, New York: D. Appleton-Century, published 1943, page 186:]
He was a handsome buck, well horned with a huge rack of antlers; / Tyrrhus’s boys had been feeding him since he’d been torn from his mother’s / Dugs. [2007, Virgil, translated by Frederick Ahl, Aeneid, Oxford University Press, Book 7, 483-5, p. 173:]
Piebald males often tolerate the presence of several other well-horned males in their vicinity but these can always be graded by colour and clearly represent hierarchically ordered age-classes. [2015, Jonathan Kingdon, The Kingdon Field Guide to African Mammals, 2nd edition, Bloomsbury, page 586:]