L. A. Johnson

Freezing of Boar Spermatozoa: Fertilizing Capacity with Concentrated Semen and a New Thawing Procedure

V. G. Pursel, L. A. Johnson · Journal of Animal Science · 1975 · 522 citations

Spermatogenesis, Infertility, Liquid Nitrogen +15

Acrosome Morphology of Boar Spermatozoa Incubated before Cold Shock1

V. G. Pursel, L. A. Johnson, George B. Rampacek · Journal of Animal Science · 1972 · 222 citations

Biology, Spermatogenesis, Infertility +12

Artificial Insemination of Swine: Fecundity of Boar Semen Stored in Beltsville TS (BTS), Modified Modena (MM), or MR‐A and Inseminated on One, Three and Four Days After Collection¹²

L. A. Johnson, J. G. Aalbers, HJ.G. Grooten · Reproduction in Domestic Animals · 1988 · 167 citations

Spermatogenesis, Field Trial, Fertility +20

In vitro production of sexed embryos for gender preselection: high-speed sorting of X-chromosome-bearing sperm to produce pigs after embryo transfer.

D. Rath, Charles R. Long, J.R. Dobrinsky et al. · Journal of Animal Science · 1999 · 155 citations

Oocyte, Gender Preselection, Fertility +20

Flow cytometry of X and Y chromosome‐bearing sperm for DNA using an improved preparation method and staining with Hoechst 33342

L. A. Johnson, J. P. Flook, M. V. Look · Gamete Research · 1987 · 143 citations

Spermatogenesis, Fertility, Cytogenetics +18