CONTENTS

Effects of Dietary Supplementation with a Mixed Powder of Medicinal Plants on the Growth Performance, Carcass Characteristics, Chemical Composition, and Meat Quality of Pigs
Nguyen Cong Oanh, Nguyen Thi Huyen, Nguyen Dinh Tien & Vu Dinh Ton…………………………1209

Reproductive Parameters and Larval Growth of Bighead Catfish (Clarias microcephalus Günther, 1864) from Wild and Cultured Broodstock Strains
Tran Quoc Cuong & Duong Thuy Yen………………………………………………………………………………1220

Water Quality Assessment and Eutrophic Classification of Hanoi Lakes Using Different Indices
Nguyen Thi Thu Ha, Dinh Tien Dzung, Ho Thi Thuy Hang, Trinh Quang Huy & Nguyen
Ngoc Tu………………………………………………………………………………………………………………………..1229

Who Cares More About the Environment?: An Empirical Study in Vietnam
Tran Cong Chinh & Nguyen Thi Huong Giang……………………………………………………………………1241

Preliminary N2O Emissions of Major Vegetable Cropping Systems in Peri-urban Hanoi, Vietnam
Nguyen Phi Hung, Peter Ampt, Gordon Rogers & Ly Thi Thu Ha………………………………………….1257

The Supported Policies in the Afforestation and Perennial Crops Project and its Effects on the Local Peoples’ Livelihoods in Dien Bien Province of Vietnam
Tran Trong Phuong, Do Thi Thanh Duong & Ngo Thanh Son………………………………………………1270

Effects of Heat Treatment Process on Mechanical Properties of Medium Carbon Steel
Pham Thi Hang ……………………………………………………………………………………………………………..1283

Effects of Chitosan-Plant Extract Coatings on the Postharvest Quality of Mango Fruits (Mangifera indica) with Anthracnose Disease
Nguyen Thi Thu Nga & Nguyen Xuan Bac …………………………………………………………………………1293

Lecturers’ Subjective Well-being: A Case Study
Tran Thi Thanh Tam, Nguyen Thi Thanh Hien & Nguyen Thi Hoai………………………………………..1303