Polymers and their use bioengineering breeding farm animals

The paper presents the results of studies on the safety of germ sells of different grades of polyethylene and recommendations of their use as a material in the manufacture of disposable sterile plastic devices and tools used for aseptic taking cryopreservation and storage of semen sires in the coated beads as well as artificial insemination of cows and heifers in Kharkiv technology.