Peter J. Hansen is an American animal scientist and

physiologist Physiology (; ) is the scientific study of functions and mechanisms in a living system. As a subdiscipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out chemical and ...

who serves as distinguished professor and L.E. "Red" Professor of Animal Sciences in the Department of Animal Sciences at

University of Florida The University of Florida (Florida or UF) is a public university, public land-grant university, land-grant research university in Gainesville, Florida, United States. It is a senior member of the State University System of Florida and a preem ...

Research

Hansen's interest in livestock species started early in life while staying with relatives in

County Wexford County Wexford () is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Leinster and is part of the Southern Region, Ireland, Southern Region. Named after the town of Wexford, it was ba ...

Ireland He first did research while an undergraduate in the Dept. of Dairy Science at the

University of Illinois The University of Illinois Urbana-Champaign (UIUC, U of I, Illinois, or University of Illinois) is a public university, public land-grant university, land-grant research university in the Champaign–Urbana metropolitan area, Illinois, United ...

under the tutelage of Charles E. Graves. His doctoral research focused on regulation of reproduction by photoperiod in cattle and mice. Postdoctoral work with Roberts and Bazer kindled a love for understanding the establishment and maintenance of pregnancy, which subsequently became a career-long research interest. Among the most notable achievements as a faculty member at Florida has been identifying embryokines (see

embryokine Embryokines (Greek: ''embryuon'' "embryo" + ''kinōs'' "movement") are regulatory molecules produced by the oviduct and endometrium in the reproductive tract that modulate embryonic growth and development. Embryokines include growth factors such ...

) that regulate development of the preimplantation embryo, demonstrating sex-dependent developmental programming during the preimplantation period, understanding how elevated temperature compromises reproduction, development of embryo transfer to increase pregnancy rate in heat-stressed cows, demonstration of the importance of the slick mutation in the prolactin receptor gene for increasing thermotolerance of cattle, and characterization of mechanisms for inhibition of uterine immune function by progesterone.

Notable Awards

Hansen was the recipient of the highest awards given by the American Society of Reproductive Immunology,

American Dairy Science Association The American Dairy Science Association (ADSA) is a non-profit professional organization for the advancement of dairy science. ADSA is headquartered in Champaign, Illinois. Consisting of 4500 members, ADSA is involved in research, education, and in ...

and the

American Society of Animal Science American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, ...

. He is a

Fellow of the American Association for the Advancement of Science Fellowship of the American Association for the Advancement of Science (FAAAS) is an honor accorded by the American Association for the Advancement of Science (AAAS) to distinguished persons who are members of the Association. Fellows are elected ...

(2007),

(2009),

(2018) and the Society for the Study of Reproduction (2021)

Selected publications

References

External links

* {{DEFAULTSORT:Hansen, Peter J. Living people 1956 births 21st-century American scientists 20th-century American biologists 21st-century American biologists American physiologists Scientists from Oak Park, Illinois University of Illinois College of Agriculture, Consumer, and Environmental Sciences alumni University of Wisconsin–Madison alumni University of Florida faculty Fellows of the American Association for the Advancement of Science

List of University of Florida faculty and administrators The List of University of Florida faculty and administrators contains people currently and formerly serving the University of Florida as professors, deans, or in other educational capacities. Academic administrators * Lise Abrams, cha ...