1. Manipulation of the breeding cycle;Mauleon,1979
2. Controlled breeding of sheep and goats;Robinson,1979
3. The use of intravaginal sponges impregnated with 6-methyl-17-acetoxy progesterone (MAP) to synchronize ovarian activity in cyclic Merino ewes;Roberts,1966
4. The stimulation of fertile oestrus following spring lambing in machine milked Border Leicester × Merino ewes;Roberts,1970
5. Relation between the day of the oestrual cycle at the time of the intravaginal application of a MAP impregnated sponge and synchronization rate and comception rate in Texel sheep;Willemse,1968