This study was carried out at the Station of Research and Testing of Animal Feed, National Institute of Animal Husbandry, Hanoi, Vietnam during 2006, with a grant from the Swedish International Development Authority (Sida/SAREC) and support from the Swedish University of Agricultural Sciences, Department of Animal Nutrition and Management. I am very grateful to their support of this study.
I would like to thank the National Institute of Animal Husbandry, Hanoi, Vietnam for allowing me two years study leave and for helping me to carry out the studies.
I would like to express my cordial and faithful gratitude to Prof. Dr. Brian Ogle, my main supervisor, the Director of the course, for his kind support, professional guidance, and valuable advice in many different ways.
My sincere thanks to all Professors, Doctors and Lecturers who provided me with useful knowledge during the course.
I would like to say a word of thanks to Dr. Ngo Van Man, the regional coordinator of the SAREC/MEKARN program, and Dr. Hoang Van Tieu, the Director, and Dr. Vu Chi Cuong, the Vice Director of the National Institute of Animal Husbandry, Hanoi, Vietnam for their help and encouragement.
My sincere thanks to the Department of Animal Feed and Nutrition, Station of Research and Testing of Animal Feed, Department of Feed Analysis, National Institute of Animal Husbandry, Hanoi, Vietnam for facilitating and helping me to conduct this study.
Special thanks to my colleagues Mrs. Len, Dr. Thieu, Dr. Viet, Dr. Minh, Mrs. Trang, Mr. Huyen and Mrs. Thao for their help in carrying out this study.
Many thanks to my classmates in the Msc course for their contributions, suggestions and friendship during the course.
Lastly my warm heart-felt gratitude is given to my parents, my husband Le Minh Linh and my children Le Thi Phuong Quynh, Le Minh Tuan for their love, patience and support.