Roland M. Leach, Jr., Ph.D.

Walter H. Ott Professor Department of Poultry Science Department
Ph.D., Cornell University, 1960

205 Henning Bldg.
Penn State University
University Park, PA 16802

Phone: (814) 865-5082
Fax: (814) 865-5691
E-mail: lnr@psu.edu

Research Interests

Role of nutrients, systemic hormones and locally produced growth factors in skeletal development
Culture of chondrocytes for tissue regeneration

Kim WK, Ford BC, Mitchell AD, Elkin RG, Leach RM. Comparative assessment of bone among wild-type, restricted ovulator and out-of-production hens. British Poultry Science 45 (4): 463-470 Aug 2004.
Luo XM, Fosmire GJ, Leach RM. Chicken keel cartilage as a source of chondroitin sulfate. Poultry Science 81 (7): 1086-1089 Jul 2002.
Praul, C. A., B. C. Ford, and R. M. Leach. 2002. "Effect of fibroblast growth factors 1, 2, 4, 5, 6, 7, 8, 9, and 10 on avian chondrocyte proliferation." J. Cell. Biochem. 84:359-66.
Wang, X., B. C. Ford, C. A. Praul, and R. M. Leach, Jr. 2002. "Collagen X expression in oviduct tissue during the different stages of the egg laying cycle." Poultry Sci. 81:805-8.
Wang, X., G. J. Fosmire, C. V. Gay, and R. M. Leach, Jr. 2002. "Short-term zinc deficiency inhibits chondrocyte proliferation and induces cell apoptosis in the epiphyseal growth plate of young chickens." J. Nutr. 132:665-73.