|
Rodgers Wa,. (1977). Seasonal changes in group size amongst five wild herbivore species. E Afr Wildl J, 15, 175–190.
|
|
ROPIHA RT et al,. (1969). The duration of pregnancy in thoroughbred mares. Vet Rec, 84, 552–555.
|
|
Rossdale Pd,. (1967). Clinical studies on the newborn thoroughbred foal.I. Perinatal behaviour. Brit Vet J, 123, 470–480.
|
|
Rossdale Pd,. (1968). Abnormal perinatal behaviour in the thoroughbred horse. Brit Vet J., 124, 540–553.
|
|
Rossdale Pd,. (1968). Perinatal behaviour int the thoroughbred horse. (Vol. Chapt. 15).
|
|
Rossdale Pd,. (1975). Das Pferd, Fortpflanzung und Entwicklung. Karger 1975, .
|
|
Rossdale Pd, M. L. (1958). Parturition in the thoroughbred mare with particular reference to blood deprivation in the new – born. Vet Record, 70, 142–151.
|
|
Rossdale Pd, S. R. (1967). The time of foaling of thoroughbred mares. J Reprod Fert, 13, 342–343.
|
|
Rubenstein Di,. (1978). Islands and their effects on the social organization of feral horses. ABS Symp, .
|
|
Ruckebusch Y,. (1972). The relevance of drowsiness in the circadian cycle of farm animals. Anim Beh, 20, 637–643.
|
