Book excerpt: This document starts with a discussion on the scope for improvements in livestock technology and measuring aggregate productivity. It then looks into productivity growth, 'catching up' and technical change and productivity growth and decomposition for 1961-97. It also examines productivity forecasts with reference to catching-up and the logistic function and technical change-estimation of the frontier and forecasting. It also summarises for trade: projections to 2005 including trade model and database and macro-economic projections. The paper places particular emphasis on East Asian countries, and especially China.