Johann Daniel Hofacker

Johann Daniel Hofacker (* 1788 in Worms , † 1828 in Tübingen ) was a German veterinarian. Hofacker became famous for his research on the gender distribution in newborns. The so-called Hofacker-Sadler hypothesis was named after him.

life and work

Hofacker had studied at the University of Tübingen . From 1814 he held a professorship for veterinary medicine there. He had published several scientific articles on various topics. The main focus of his work was the treatment of diseases in horses. In his investigations he made the observation that if there was a large age difference between father and mother, predominantly sons were born as children.

Publications (excerpt)

• About the properties which in humans and animals are passed on from parents to offspring, with special regard to horse breeding
• Textbook on the common general diseases of horses, cattle, sheep, pigs, dogs, and on the cure and prevention of them: together with an appendix of receipts: for use at lectures and for self-teaching for doctors, especially medical officers, farmers and cattle owners (1823 )
• Via the stethoscope: an excellent means of recognizing diseases of the heart and lungs, chiefly pulmonary consumption (1826)

swell

• Salmonsens Konversationsleksikon description