The research was conducted at the Royal University of Agriculture (RUA), Phnom Penh, Kingdom of Cambodia with the support from Mekong Basin Animal Research Network (MEKARN) project, financed by the Swedish International Development Agency.
I would like to express my thankfulness to the MEKARN project, financed by Sida-SAREC, Sweden for the financial support to this research, and especially express my sincere gratitude to my supervisors, Prof. Dr T R Preston and Dr. Khieu Borin for their valuable guidance and advice to achieve this research..
My sincere thanks to Prof. Brian Ogle, International Coordinator, SAREC MEKARN project; Dr. Ngo Van Man, MEKARN regional coordinator and Mr. Nguyen Van Cong, MEKARN program officer for their facilitation, help and support to the whole course.
I am also very grateful to all lecturers for in the MSc course 2008-2010 who provided and shared their useful lectures and experiences to the whole course.
The Royal University of Agriculture (RUA) is acknowledged for provision of research facilities.
Warm thanks are extended to my father CHUN Hour, my mother SIEM Khim, my father-in-law HOURT Nakri, my mother-in-law TAING Kuylim, my young sister HOUR Pheng, my young brother HOUR Try and my brothers-in-law for their support and encouragement; to my wife HOURT Sereyromny, my daughter PHAL Arunvatei and my son PHAL Duongpisedth for their love; and to all the people who have contributed to this research.