J. D. Koogle

J. D. Koogle is a largely obscure 19th-century American author remembered for The Farmer's Own Book: A Treatise on the Numerous Diseases of the Horse, a manual that also includes material on the diseases of horned cattle. Surviving catalog and ebook records connect the book to Middletown, Maryland, and list it as published in 1858 by J. D. Koogle.

In the book's preface, Koogle says the goal was to explain horse diseases in a clear, practical way so that farmers and other caretakers could recognize problems early and treat them more confidently. That plainspoken, problem-solving approach seems to have been central to the book's appeal.

Beyond that publication, reliable biographical details about Koogle are hard to confirm from readily available sources. No clear, trustworthy portrait surfaced in the sources reviewed, so a profile image is not included here.