Tomeš J., Müller M., Lukešová D.
Abstract
Identification of animal in central region of Mongolia made under project number 17/Mze/B/07-09 with total number of
602.474 cattle and 2,973.561 sheep / goat to be tagged. Provider of ear tags is company MAVE Boretice Ltd. from
Czech Republic. All ear tags are made under certificate of quality number 472101174 of polyurethan. Only chemical
standards of basic material e.g. plastic granules are tested with focus to chemical and biological hazards.
It was decided to make a research in detail because of knowledge and observations gained during research were made
in Mongolia and the specific climate of very low - 40 oC temperatures of winter, summer's temperatures
deviations + 35o C / 0 oC and frequent sandstorm as no EU country has similar conditions.
Key words:
polyurethan, hardness, erosion, hardness, cattle