- Collection:
- Atlanta University and Clark Atlanta University Theses and Dissertations
- Title:
- Production and digestibility of mixed microbial plankton raised on silaged grass, 1987
- Creator:
- Ekpo, Imo-Iboho A.
- Date of Original:
- 1987-07-01
- Subject:
- Degrees, Academic
Dissertations, Academic - Location:
- United States, Georgia, Fulton County, Atlanta, 33.749, -84.38798
- Medium:
- theses
- Type:
- Text
- Format:
- application/pdf
- Description:
- Commercial fish feed, which is protein-based, is the single most costly item in fish culture, determining the cost-effectiveness of commercial fish farming projects. It is speculated that tilapia, with its low gastric pH of 2 or less, is able to digest some components of plankton mat to free amino acids for use in protein synthesis by the fish. The objective of this research is to investigate the digestibility of plankton mat by silver carp and a tropical species of cultured fish, Tilapia nilotica. Recent evidence shows that there is a close association between nitrogen fixing bacteria and blue-green algae in the generation of plankton mat of microbial biomass (Colwell and Speidel, 1985). Some of these nitrogen-fixing bacteria are identified and characterized. This research tests the hypothesis that mixed microbial plankton, serving as fish feed, produced on plant silage, is digestible and available as high-quality protein to at least one common species of tilapia and silver carp.
- External Identifiers:
- Metadata URL:
- http://hdl.handle.net/20.500.12322/cau.td:1987_ekpo_imo_iboho_a.pdf
- Rights Holder:
- Clark Atlanta University
- Holding Institution:
- Atlanta University Center Robert W. Woodruff Library
- Rights:
-
