Seasonal changes of scrotal circumference, blood plasma testosterone concentration and semen characteristics in Racka rams

Studies on the breeding season and reproduction of the ewe Part I. The breeding season in different environments Part II. The breeding season in one locality

E. S. E. Hafez · The Journal of Agricultural Science · 1952 · 346 citations

Veterinary Medicine, Animal Sciences, Dairy Science +17

Seasonality of reproduction in sheep

H.J.D. Rosa, M. J. Bryant · Small Ruminant Research · 2003 · 318 citations

Veterinary Medicine, Animal Sciences, Physiology +9

Seasonal cycles in the blood plasma concentration of FSH, inhibin and testosterone, and testicular size in rams of wild, feral and domesticated breeds of sheep

G. A. Lincoln, Christi Lincoln, A. S. McNeilly · Reproduction · 1990 · 178 citations

Veterinary Medicine, Animal Sciences, Endocrinology +17

The relationship between sexual and aggressive behaviour, and pituitary and testicular activity during the seasonal sexual cycle of rams, and the influence of photoperiod

G. A. Lincoln, W. G. Davidson · Reproduction · 1977 · 175 citations · Full text

Medicine, Endocrinology, Physiology +17

The Expression of Female Sex-limited Characters in the Male

R. B. Land · Nature · 1973 · 149 citations

Life Sciences, Genetics, Gender +5