The most important research findings relate to 1) the importance of vertical integration under contract farming from in agriculture in general and shrimp production in particular; 2) the shrimp production in the world, especially in Vietnam; 3) the flow of shrimp in MRD and farmers production affectivity; 4) the vertical integration of farmers under contract farming form with a providing of social and technical barriers that affect ability of farmers to integrate in the shrimp value chain;

A thesis submitted for the Doctor of Philosophy degree

at the University of New England, Armidale, NSW, Australia

November, 2011

The study aims at determining the apparent digestibility energy and amino acid in Yorkshire pig at different stages such as gilt, pregnant sow, lactating sow, young boar and working boar.

Ngoc Tan Nguyen, , Neng-Wen Lo, , Sing-Ping Chuang, Ya-Lan Jian, and Jyh-Cherng Ju

Depar tment of Animal Science, National Chung Hsing University, 250 Kuok uang Road, Taichung 402, Taiwan, ROC,

Agricultural Biotechnology Center, Inst itute of Agricultural Sciences for Southern Vietnam, 121 Nguyen Binh Khiem

Nanjing Agricultural University

Supervised by Professor Wan Jianmin

Rice (Oryza sativa L.) is the staple food for more than 50% of the world’s population，although insect pests are the major biotic constraints to production of this crop.

hai.ph@iasvn.org  

Cassava is considered as the 3^rd rank of food crops in Vietnam. The total cultivated area and productivity of cassava have significantly increased up to now. Fresh cassava root production roughly obtained 9 million tones annually. Average cassava productivity gained 16 t /ha including  3.36 t of its root peels (RPs) as its by-products.