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Although the livestock sector has a significant contribution to the national economy, production per animal is extremely low. The average lactation milk production of the indigenous cows ranges from 494–850 kg under optimum management (EARO 1999; Haile et al. 2009a). The trend is similar to beef production. It is indicated that crosses of Ethiopian Boran with Hereford, Aberdeen or Charolais had 20–30% higher body weight than the pure Ethiopian Boran (EARO 1999). | Technology of Cheesemaking Second Edition Edited by Barry A. Law R D Consultant to the Dairy Industry Victoria Australia and A.Y. Tamime Consultant in Dairy Science and Technology Ayr UK WILEY-BLACKWELL A John Wiley Sons Ltd. Publication Technology of Cheesemaking Second .