Kenney RM, Hurtgen J, Pierson R, Witherspoon D, and Simons J
(1983) Society for Theriogenology Manual for Clinical
Fertility
Evaluation of Stallions. Hastings, NE. |
Klingel H (1972) Das verhalten der pferde (Equidae) [The
behavior of
horses (Equidae)]. Handbuck der Zoologie [Handbook
of
Zoology] 10(24): 1-68.
English Translation
(2004). |
