Complete Pellet Feed for Commercial Dairy

Hello, I am animal nutritionist from Pakistan, I want to know if anyone have worked on complete feed pellets for dairy animals. I want to work on it. Would you share with me your results and feasibility for making complete feed pellets please? What are the advantages of using it and what are the disadvantages or limitation in making it feasible for animal?

Look forward to your kind reply and comments Thanks Kabir A. Chohan M.Phil. DVM