1. Agriculture and Agri-Food Canada, 2000. Livestock and Water Quality. Available at: (accessed 01.09.11.).
2. Standard Methods for Examination of Water and Wastewater;American Public Health Association (APHA),2005
3. Water Quality and Treatment;American Water Works Association (AWWA),2011
4. Assessment of water quality and nutrition for dairy cattle;Beede,2005
5. Pattern Recognition with Fuzzy Objective Function Algorithms;Bezdek,1981