In India, Livestock Products Technology is coming as an emerging field from career point of view. In the last decade, many Indian educational organizations including university departments, institutions, colleges and deemed universities have started undergraduate, postgraduate and doctorate degree programmes related to Livestock Products Technology, Food Technology, Food Processing, Food Engineering and allied courses such as Dairy Technology, Post Harvest Technology, Foods and Nutrition, Agricultural and Food Process Engineering etc. Many of these institutes conduct entrance examination for admission in these courses. There are also some national level examinations conducted every year in the area of Livestock Products Technology such as ASRB-NET examination, ICAR JRF-SRF examination. This book is also very helpful for State PSC and UPSC examinations and Veterinary PSC. Hence there was a great need of an objective type book covering all important topics of subjects related to Livestock Products Technology-I (Milk and Milk Products Technology and Wool Science). Hence, the first edition of this book was written to compensate the demand of students and to help them in making their career in the areas of Livestock Products Technology (Milk and Milk Products Technology and Wool Science).