Artificial impregnation of animals is no novelty. In England, Australia, Russia, the U. S., cows have dropped calves after fertilization by the hand of man. Artificial insemination of mares is a routine demonstration at veterinarians' conventions (TIME, Aug. 24). Safely under way this week, however, was an experiment in man-managed fertilization of cattle which was unique for the 6,000-mile distance between sires and dams.
Argentine cattlemen would like to improve the milk production of their cows by breeding them with high-grade imported bulls. But bulls bought from the U. S. usually succumb to...