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Animal Sciences and Industry

Rozell, Timothy

Rozell, TimothyAssociate Professor
223 Weber Hall
Manhattan KS 66506
785-532-2239
785-532-7059 fax
trozell@k-state.edu

Area(s) of Specialization

Physiology

Publications

Education

B.S. , University of Missouri, 1986
M.S. , University of Missouri, 1989
Ph.D. , Washington State University, 1993

Bio Brief

Dr. Rozell grew up in Garrison, Missouri and then went on to complete his B.S. and M.S. degrees at the University of Missouri. From Missouri he moved to Washington to complete his Ph.D. at Washington State University. In 1997, Dr. Rozell was hired on at Kansas State University, with a 70% Teaching and 30% Research appointment, to develop and teach a course in anatomy and physiology. Because of his unique combination of skills and interests in reproductive physiology and dairy cattle, Dr. Rozell also took over teaching a course on the physiology of lactation. In addition he co-teaches a lambing class in the Spring that offers students hands-on experience with livestock. Dr. Rozell has also developed an active research program in reproductive physiology.

Dr. Rozell's laboratory has broad interests in the area of reproductive physiology, with specific projects currently focused on the process of development of follicles on the ovary. The ultimate goal of Dr. Rozell's research program is to facilitate reproductive activity in postpartum dairy cows and in young heifers.

During the 2004-2005 school year, Dr. Rozell went on Sabattical in Scotland to help develop new research techniques. There he collaborated with the University of Glasgow's College of Veterinary Medicine.

Dr. Rozell resides in Manhattan with his wife Marcia and his two children Sam and Josie.

Research

Dr. Rozell's laboratory has broad interests in the area of reproductive physiology, with specific projects currently focused on the process of development of follicles on the ovary. Although the main interest of the laboratory is how to remove bloodstains from white lab coats (editorial note: please do not take the laboratory too seriously, no matter what it says), Dr. Rozell is currently working on projects to gain improved understanding of the role of follicle stimulating hormone in the process of follicular development (and smart money is bet on the fact that 'follicle stimulating hormone' most likely stimulates follicles). The ultimate goal of Dr. Rozell's research program is to facilitate reproductive activity in postpartum dairy cows and in young heifers. Dr. Rozell's research program thinks this is an excellent goal, and wants you to know that you can send fist-fulls of dollars (pounds and euros also accepted) to it at any time, should you get tired of stumbling over all the cash you currently have lying around in your bedroom.

Teaching

Anatomy and Physiology is a 4-hour course that focuses on maintenance of homeostasis via the interaction of physiologic systems. The course includes both a lecture and a laboratory component, with the lecture mainly focused on physiological mechanisms and interaction of systems, and the lab focused primarily on anatomy and organization of the mammalian body, with a few details of mechanisms thrown in to keep the spiders in our brains from taking over completely. Anatomy and Physiology is designed primarily as an overview of basic anatomy and physiology, to meet the broad range of student background and interests in this required course. Anatomy and Physiology enjoys bowling, long walks along moonlit rivers, and writing letters to the editors of Modern Caveman Magazine.

Physiology of Lactation is a 3-hour course that includes both a lecture and laboratory component. The course includes an overview of the process of lactation, with particular emphasis on development and anatomy of the mammary gland in the cow, blood supply and flow of nutrients to the gland, hormonal control of lactation, and inflammation of the gland (mastitis). Students taking this course enjoy the experience of forming industry-style research and development teams, and exploring in detail a particular aspect of lactation in which they are most interested. Although the course is primarily focused on dairy cows (who don't seem to mind), comparative aspects of lactation in other mammalian species are presented as appropriate.

  • Anatomy and Physiology [ASI 533]
  • Physiology of Lactation [ASI 601]
  • Lambing [ASI 404]