I Putu Ari Astawa, nicknamed Ari was born in the Candikusuma Village, Melaya subdistrict, Jembrana Regency. The author has received his postgraduate education at the Animal Husbandry Faculty of Udayana University. At the moment, he is still in his Doctoral degree at the same Faculty and University at the stage of final project (dissertation). Author daily activity is in the Biochemical Laboratory of Animal Husbandry Faculty of Udayana University, to give biochemistry and biophysics to the undergraduate students. In the animal farming domain, the author has conducted several researches on livestock and publishes journal both national and international. The author often provides counseling to the community of remote villages in several districts in Bali regarding modern animal farming systems and livestock waste treatment systems. Author believes with the world's rapid growth population, the technology in the world of animal farming should be more modern and the pollution on environment aspects must addressed.