1. PRAWN HEALTH MANAGEMENT AND DISEASE CONTROL TO SUSTAIN HATCHERY AND POND PRODUCTION SYSTEMS

» CHAPTER ONE  INTRODUCTION  1.1   BACKGROUND TO THE STUDY  Total world harvest of prawns in the Africa was 2.1% in 1981. In 1989 it had risen to 26%. However, disease and pond environment problems are causing difficulties. During the early 1990s, total production dropped in all the Prawn produci…Continue Reading »