The Biology and Culture of Tilapias

Table 14. Summary of feeding. stocking. growth and hamesting data for intensive cage culture of Sarotherodon mossambicus. Tilapia guineensis and mixed culture of tilapias with

Cypnnus carpio.

Stocking data Growth data Harvesting data Culture

Pmi Bi G MSG DRIB Pmf Bf MP period

Location Species Feeding details (g) ~lm~ (kglm3) (gld) (4%) (%) (g) (kg/m3) (kglm3) FCR (d) References and remarks

Philippines S. mossam bicus 60% rice bran. 20%
fish meal. 20%
Leucaena leuco-
cephala leaf meal:
DFR, 10% B
Belgium T. guineensis Pellets (46% pro-
tein): DFR. 4.8% B
Soya pellets (30%
protein): DFR.
4.8% B
Taiwan Hybrid (probably Regular feeding
S. mossambicus x
S. niloticus) with
Cyprinus carpio Regular feeding
Pmi :
N:
Bi :
G:
MSG :
DRIB :
Pmf :
Bf :
MP :
FCR :
DFR :

Pantastico and Baldia 1979:

cage mesh size. 5.4 mm: feed

cost, US$O.O9/kg.

Philippart et al. 1979: 0.5 m3

cages in thermal effluent;

monosex males

mean weight at stocking

number of fish

mean biomass at stocking

average growth rate of individual fish during the culture period

average monthly specific growth rate

daily rate of increase of the biomass calculated from Bf = Bi (1 + i)" where n is the culture period in days and i is EB

mean weight at harvest 100

mean biomass at harvest

average monthly production: (Bf - Bi) observed and recalculated on a 30-day basis

feed conversion ratio. on a net weight basis unless otherwise indicated

daily feeding rate as % B (biomass)

de la CNZ 1979; cage size

144 m3: polyculture of

two species.