Evaluation of false ultrasonographic pregnancy diagnoses in sows by measuring the concentration of unconjugated estrogens in feces

Steroid Hormone Production by Pig Blastocysts

J. S. Perry, R. B. Heap, E. C. Amoroso · Nature · 1973 · 299 citations

Medicine, Animal Sciences, Endocrinology +14

PLASMA CONCENTRATIONS OF PROGESTERONE, OESTRONE, OESTRADIOL-17β AND OF OESTRONE SULPHATE IN THE PIG AT IMPLANTATION, DURING PREGNANCY AND AT PARTURITION

Hamish Robertson, G. J. King · Reproduction · 1974 · 258 citations · Full text

Medicine, Endocrinology, Parturition +8

Plasma Estrogen, Progesterone and Luteinizing Hormone Levels During the Estrous Cycle in Pigs1

D. M. Henricks, H. D. Guthrie, Dale L. Handlin · Biology of Reproduction · 1972 · 187 citations

Medicine, Animal Sciences, Endocrinology +17

Oestrogen production in early pregnancy.

Heap Rb, Flint Ap, Hartmann Pe et al. · PubMed · 1981 · 53 citations

Medicine, Endocrinology, Obstetrics +14

Pregnancy diagnosis in sows by estimation of oestrogens in blood, urine or faeces

H. S. Choi, E. Kiesenhofer, H. Gantner et al. · Animal Reproduction Science · 1987 · 48 citations

Medicine, Endocrinology, Obstetrics +9