1. Department of Nutrition and Food Technology; Faculty of Agriculture; Jordan University of Science and Technology; PO Box 3030 Irbid 22110 Jordan
2. Department of Animal Production; Faculty of Agriculture; Mu'tah University; Karak Jordan
3. Department of Nutrition and Food Technology; Faculty of Agriculture; The University of Jordan; Amman Jordan
4. Department of Natural Resources and Environment; Faculty of Agriculture; Jordan University of Science and Technology; PO Box 3030 Irbid 22110 Jordan
5. E.H. Graham Centre for Agricultural Innovation; School of Agricultural and Wine Sciences; Charles Sturt University; Wagga Wagga New South Wales Australia