Cage Culture of Tilapias. A.G. COCHE .......................... /'^205
Diseases of Tilapias. R.J. ROBERTS AND C. SOMMERVILLE ...........^247
Session 4: Culture-Related Topics
Chairman's Overview. H.F. HENDERSON ........................^265
Genetic Markers in Sadherodon and Their Use for Sex and
Species Identification. R.R. AVTALION ..................... 269
Tilapia Hybridization. L.L. LOVSHIN ................ I .......... 279.
Control of Tilapia Reproduction. R.D. GUERRERO III .............^309
A Study of the Problems of the Mass Production of Hybrid
Tilapia Fry. D. MIRES .................................. 317B