In commercial rabbit-farming, activities associated with mating take up a great deal of the working hours required. Efforts were made to help to obtain optimum results in rabbit-farming by carrying out artificial insemination. The conception rates following insemination of does which are not prepared to mate naturally, are too low. After preliminary treatment of these animals with 20 I.U. of pregnant mare serum forty-eight hours prior to insemination, the results obtained were more satisfactory. It is concluded that artificial insemination in rabbit farming does not present any technical problems and that satisfactory results should be obtainable on healthy farms.
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