Concepedia

D. R. Hagen

DR

Statistics

Publications

17

Citations

587

H-Index

14

Active since

1975

Affiliations

Pennsylvania State University(Current)

Penn State Milton S. Hershey Medical Center

University of Wisconsin–Madison

D. R. Hagen is an author at Pennsylvania State University specializing in animal sciences, reproductive physiology, and endocrinology.

Publications per year

1975–1999

17

Publications

17

Effects of Porcine Follicular Fluid and Oviduct-Conditioned Media on Maturation and Fertilization of Porcine Oocytes In Vitro1

Georgios Vatzias, D. R. Hagen · Biology of Reproduction · 1999 · 94 citations

, , +14

Development of one-cell porcine embryos to the blastocyst stage in simple media.

D. R. Hagen, Randall S. Prather, Michelle Sims et al. · Journal of Animal Science · 1991 · 91 citations

, , +16

Response of porcine oocytes to electrical and chemical activation during maturation in vitro

D. R. Hagen, Randall S. Prather, N. L. First · Molecular Reproduction and Development · 1991 · 59 citations

, , +13

Reproductive and Growth Responses of Gilts to Exogenous Porcine Pituitary Growth Hormone

Keith A. Bryan, James M. Hammond, S. F. Canning et al. · Journal of Animal Science · 1989 · 56 citations

, , +12

Expression of insulin-like growth factor-binding protein-2 and -3 messenger ribonucleic acid in the porcine ovary: localization and physiological changes.

Susan Samaras, D. R. Hagen, Shunichi Shimasaki et al. · Endocrinology · 1992 · 52 citations

, , +11

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