Observations on fish growth in polyculture during late summer and autumn in fish ponds at the Umtats Dam Fish Research Centre, Transkei Part III: The use of chicken manure with and without pelleted fish feed Observations on fish growth in polyculture during late summer and autumn in fish ponds at the Umtats Dam Fish Research Centre, Transkei Part III: The use of chicken manure with and without pelleted fish feed Posted in .