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POSC Home > Faculty & Personnel > R. Keith Bramwell

R. Keith Bramwell

Extension Reproductive Physiologist

Address

Center of Excellence for Poultry Science

University of Arkansas

Fayetteville, AR 72701
Phone: 479-841-6498
mailto:
bramwell@uark.edu

Education

• Ph.D., Poultry Science, University of Georgia, 1995
• M.S., Poultry Science, University of Georgia, 1991
• B.S., Animal Science, Brigham Young University, 1989

Professional Experience

• Assistant Professor and Extension Poultry Specialist, University of Georgia, 1996
• Joined the Center of Excellence for Poultry Science as an Extension Poultry Specialist, 2000
  

Research Area

• The many factors (both management and physiological) that influence fertility and embryonic mortality in broiler breeders.  Specifically, Dr. Bramwell has been involved with studies on the effects of breeder flock age on the decline in fertility and sperm-egg interaction, hatchability and the associated increases in early embryonic mortality from a commercial perspective.
• Hatching egg handling and storage and the effects on hatchability and embryo livability.
• The various areas of the poultry industry as they relate to reproduction and hatchery management.
  

Publications

• Bramwell, R.K. and B. Howarth. 1992. Preferential attachment of cock spermatozoa to the perivitelline layer directly over the germinal disc of the hen's ovum. Biology of Reproduction 47:1137-1147.
• Bramwell, R.K., H.L. Marks, and B. Howarth, 1995. Quantitative determination of sperm penetration of the perivitelline layer of the hen's ovum as assessed in oviposited eggs. Poultry Science 74:1875-1883.
• Bramwell, R.K., C.D. McDaniel, J.L. Wilson, and B. Howarth, 1996. Age effect of male and female broiler breeders on sperm penetration of the perivitelline layer overlying the germinal disc. Poultry Science 75:755-762.
• Bramwell, R.K. and B. Howarth, 1992. Cross-reactivity of sperm-binding proteins from the chicken, turkey, and duck oocytes. Poultry Science 71:1927-1932.
• McDaniel, C.D., R.K. Bramwell, J.L. Wilson, and B. Howarth, Jr. 1995. Fertility of male and female broiler breeders following exposure to elevated ambient temperatures. Poultry Science 74:1029-1038.