Ronald R. Keiper

Long-term effects of porcine zonae pellucidae immunocontraception on ovarian function in feral horses ( <i>Equus caballus</i> )

J. F. Kirkpatrick, I. M. K. Liu, J. W. A. Turner et al. · Reproduction · 1992 · 92 citations · Full text

Medicine, Animal Sciences, Veterinary Physiology +16

Causal factors of stereotypies in caged birds

Ronald R. Keiper · Animal Behaviour · 1969 · 85 citations

Life Sciences, Animal Sciences, Zoology +6

Refuge-seeking and pest avoidance by feral horses in desert and island environments

Ronald R. Keiper, Joël Berger · Applied Animal Ethology · 1982 · 81 citations

Natural Resources, Animal Sciences, Conservation Biology +16

The Position of the Stallion in the Equine Dominance Hierarchy of Feral and Domestic Ponies

Katherine A. Houpt, Ronald R. Keiper · Journal of Animal Science · 1982 · 77 citations

Life Sciences, Animal Sciences, Zoology +7

The stability of equine dominance hierarchies and the effects of kinship, proximity and foaling status on hierarchy rank

Ronald R. Keiper, H. H. Sambraus · Applied Animal Behaviour Science · 1986 · 75 citations

Life Sciences, Animal Sciences, Zoology +13