Jureeratn Sanpote

Thailand had faced the same problem in dairy crossbred. 20 years ago we introduced HF from the Netherlands and continue to use purebred HF semen from the USA for many ten years untill our dairy crossbred close to pure and then infertility arised. Nowadays we develop our own crossbred bulls which are progeny tested and be selected by their breeding value before ditribute their deep frozen semen thr ...