Henri-Mamert-Onésime Delafond (13 February 1805 – 15 November 1861) was a French

veterinarian A veterinarian (vet) or veterinary surgeon is a medical professional who practices veterinary medicine. They manage a wide range of health conditions and injuries in non-human animals. Along with this, veterinarians also play a role in animal r ...

born in Saint-Amand-en-Puisaye, Nièvre department. Delafond was one of the primary representatives of

veterinary science Veterinary medicine is the branch of medicine that deals with the prevention, management, diagnosis, and treatment of disease, disorder, and injury in non-human animals. The scope of veterinary medicine is wide, covering all animal species, both ...

in France during the first half of the nineteenth century.Dictionnaire d'agriculture, encyclopédie agricole complète, Volume 2
by Jean Augustin Barral, Henry Sagnier He served as a professor and director of the Maisons-Alfort veterinary school. He was a member of the

Académie de Médecine An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of tertiary education. The name traces back to Plato's school of philosophy, founded approximately 386 BC at Akademia, a sanctuary of Athena, the go ...

and of the Société nationale d'agriculture. Delafond is remembered for pioneer microscopic research of ''

Bacillus anthracis ''Bacillus anthracis'' is a gram-positive and rod-shaped bacterium that causes anthrax, a deadly disease to livestock and, occasionally, to humans. It is the only permanent (obligate) pathogen within the genus ''Bacillus''. Its infection is a ty ...

'', the causative organism of

anthrax Anthrax is an infection caused by the bacterium '' Bacillus anthracis'' or ''Bacillus cereus'' biovar ''anthracis''. Infection typically occurs by contact with the skin, inhalation, or intestinal absorption. Symptom onset occurs between one ...

. Also, with

microbiologist A microbiologist (from Greek ) is a scientist who studies microscopic life forms and processes. This includes study of the growth, interactions and characteristics of microscopic organisms such as bacteria, algae, fungi, and some types of par ...

David Gruby David Gruby (20 August 1810 – 14 November 1898) was a Hungarian physician born in the village of Kis-Kér (now Bačko Dobro Polje, Serbia) to a Jewish farmer.Geoffrey Clough Ainsworth, ''Introduction to the History of Medical and Veterinary Myc ...

(1810–1898), he performed extensive investigations of '' Tritrichomonas suis'', a parasite found in swine. In 1842 with Gabriel Andral (1797–1876) and Jules Gavarret (1809–1890), he was co-author of an important treatise on domestic animal blood composition titled ''Recherches sur la composition du sang de quelques animaux domestiques, dans l’état de santé et de maladie''. With Honoré Bourguignon, he published ''Traité pratique d'entomologie et de pathologie comparées de la psore ou gale de l'homme et des animaux domestiques'' (Treatise on the

entomology Entomology (from Ancient Greek ἔντομον (''éntomon''), meaning "insect", and -logy from λόγος (''lógos''), meaning "study") is the branch of zoology that focuses on insects. Those who study entomology are known as entomologists. In ...

and comparative

pathology Pathology is the study of disease. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when used in the context of modern medical treatme ...

scabies Scabies (; also sometimes known as the seven-year itch) is a contagious human skin infestation by the tiny (0.2–0.45 mm) mite ''Sarcoptes scabiei'', variety ''hominis''. The word is from . The most common symptoms are severe itchiness a ...

affecting humans and domesticated animals).Google Books
Traité pratique d'entomologie et de pathologie comparées de la psore ou gale de l'homme et des animaux domestiques

References

The Approach of Comparative Biomedicine
by Andrew Hunt Gordon and Calvin W. Schwabe
Veterinary protozoology
by Norman D. Levine (essay on ''Tritrichomonas suis'') French microbiologists French veterinarians 1805 births 1861 deaths People from Nièvre {{France-biologist-stub