For mass production of nematode Panagrellus redivivus, brewer’s yeast is suitable as food source.

Fish Production

Although aquaculture in world is increasing constantly, it is still facing problems due to limited supply of raw material for fish feed (Tacon and Metian, 2008). For promoting normal growth of fish, proper nutrition plays a key role. In certain fish production, Brewer’s yeast is used as a fish feed (Nayar et al. 1998). Food industries (e.g. dairies and slaughterhouse) release waste-water, which contains considerable amounts of proteins and fats. Conversion of fat into yeast biomass could be beneficial, because yeast biomass can be use as fish feed. Different carbon sources including glycerol have been used for the highest growth yield of C. trophicals (Rydin et al. 1990). Brewer’s yeast has different immunostimulating compounds e.g. nucleic acid, b-glucans and mannan oligosaccharides (White et al. 2002). These compounds may enhance growth of different fish species and therefore can serve as best health promoters for fish culture (Lara-Flores et al. 2002). For mass production of nematode Panagrellus redivivus, brewer’s yeast is suitable as food source. This nematode is used as a source of food for feeding farm fish (Ricci et al. 2003).

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