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• Rafieei.H. Responses of Milk Urea Nitrogen Content to Dietary Rume Degradable Protein Level in Lactating Holstein Dairy Cows [ Vol.1, Issue 2 - Spring Year 2011]
• Roca-Fernandez.A.I. Effects of Concentrate Source (Cottonseed vs. Barley)on Milk Performance and Fatty Acids Profile of Holstein-Friesian Dairy Cows [ Vol.1, Issue 4 - Autumn Year 2011]