The collection presents the materials of the international scientific and practical conference "Problems and prospects of development of modern reproductive technology, cryobiology and their role in the intensification of animal husbandry", held on April 25-27, 2017 . The conference is dedicated to the 70th anniversary of Opening No. 103 and the memory of L. K. Ernst (08.) 01. 1929-26. 04. 2012). During the conference, reports on the problems of reproduction biology were considered, Cryobiology , Modernization of artificial insemination , Problems of violation of reproductive functions of males and females of all types of domestic and agricultural animals , as well as problems of preserving the world fauna with the use of cryobiology.