Contents

• Effect of work (driving sugar cane press) on intake of pressed sugar cane stalk and urea-treated rice straw by buffalo and cattle; Nguyen Phuc Tien and T R Preston
• Parámetros nutricionales de algunas arbóreas leguminosas y no leguminosas con potencial forrajera para la suplementación de ruminantes en el trópico; O I Flores, D Ma Bolivar, J A Botero and M A Ibrahim
• Errores de prediccion de la produccion de leche por lactancia a partir de pesajes a distintos intervalos de tiempo, en vacas de doble proposito; Jazmín Florio, Lucía Vaccaro, Armando Pérez y Humberto Mejías
• Socio-economic microbial process strategies for a sustainable development using environmentally clean technologies: Sagopalm a renewable resource; Horst W Doelle
• Effect of exchange rates of medium with biodigester effluent on biomass yield and composition of duckweed; Nguyen Duc Anh and T R Preston
• Response to a molasses/urea supplement in the reproductive behaviour of commercial Zebu cows with calves under a regime of restricted suckling; R Alderete, H Losada, J Cortés, M Osorio and E Aranda
• Constraints and opportunities for improved milk production and calf rearing in Sanyati communal farming area, Zimbabwe; Charlotte Pedersen and J Madsen
• Effect of restricted suckling on milk production, reproduction and growth of Mpwapwa cattle in Tanzania; C Mejia, T R Preston and Pernilla Faquhersen
• Effects of urea concentration, moisture content, and duration of treatment on chemical composition of alkali treated rice straw; Nguyen Xuan Trach, Cu Xuan Dan, Le Viet Ly, and Frik Sundstøl
• Effect of replacing sugar cane juice with African palm oil (Elaeis guineensis) on performance and carcass characteristics of pigs; Le Duc Ngoan, R B Ogle, Patricia Sarria and T R Preston
• Livestock Research for Rural Development Newsletter
• Abstracts
• List of Editors and Notes for Authors