1. Training of rams for semen collection by artificial vagina, using as stimulus inanimate objects;Aguirre;Vet. Mex.,2005
2. Sexual and maternal behavior;Alexander,1974
3. Copulatory behaviour of the ram (Ovis aries). Part II: factors affecting copulatory satiation;Beamer;Anim. Behav.,1969
4. Failure to detect a putative oestrus-indicating pheromone in the urine or vaginal secretions of female sheep;Bland;Acta Vet. Hung.,1992
5. Discrimination between the odours of fresh oestrous and non-oestrous ewe urine by rams;Blissitt;Appl. Anim. Behav. Sci.,1990