TY - BOOK AU - Manawadu, A. TI - Use of urinary purine derivatives excretion technique to estimate and improve the nutritional status of local milking cows under small holder farming systems PY - 2012/// CY - Kamburupitiya PB - A. Manawadu KW - INDEX KW - MILK INDUSTRY KW - POST GRADUATE THESIS ENGLISH KW - PURINE NITROGEN ER -