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United States Department of Agriculture

Agricultural Research Service

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DAVID D SYPHERD (Dave)
Nutrition and Environmental Management Research
Biological Science Lab Technician (Biochemistry)

Phone: (402) 762-4198
Fax: (402) 762-4382
U.S. MEAT ANIMAL RESEARCH CENTER
SPUR 18D
CLAY CENTER, NE, 68933-0000


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Effect of high and low antral follicle count in pubertal beef heifers on IVF - (Abstract Only)
Chase, C.C., Jr., Wright, E.C., McNeel, A.K., Cushman, R.A., Perry, G.A., Cupp, A.S., Vallet, J.L., Sypherd, D.D., Miles, J.R. 2014. Effect of high and low antral follicle count in pubertal beef heifers on IVF. Reproduction, Fertility and Development. 26(1):184 (Abstract #142).
The hedgehog system in ovarian follicles of cattle selected for twin ovulations and births: evidence of a link between the IGF and hedgehog systems - (Peer Reviewed Journal)
Aad, P.Y., Echternkamp, S.E., Sypherd, D.D., Schreiber, N.B., Spicer, L.J. 2012. The hedgehog system in ovarian follicles of cattle selected for twin ovulations and births: evidence of a link between the IGF and hedgehog systems. Biology of Reproduction. 87(4):79.
Last Modified: 9/10/2014