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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 elevated systemic concentrations of urea nitrogen in crossbred heifers on in vitro fertilization (IVF) - (Abstract Only) - (31-Oct-14)
Effect of high and low antral follicle count in pubertal beef heifers on in vitro fertilization (IVF) - (Abstract Only)
Chase, Jr., C.C., 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 in vitro fertilization (IVF) [abstract]. American Embryo Transfer Association/Canadian Embryo Transfer Association Joint Convention Proceedings, October 6-8, 2014, Middleton, Wisconsin. 49.
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 Reprint Icon - (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: 11/25/2014
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