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Animal reproduction has enjoyed the most impact and progress of all the animal sciences in the development of new options for cattle producers. With the development of embryo transfer (ET) in the mid-1970's, animal reproduction has entered a new era of technical achievement. During this time a strong embryo transfer industry has enjoyed new advanced techniques of estrous cycle regulation, follicular growth dynamics and improved procedures in embryology. These and other advances in molecular biology will likely lead to changes in the traditional approaches to livestock breeding and further stimulate researcher's interest in areas of genetic engineering.
The objectives of this paper is to provide information to the cattle breeder of the history of reproduction and embryo transfer, an update of the embryo transfer industry and a review of some futuristic technologies that could soon impact the cattle breeder.