PLOIDY ¼ 0:91
ð36:8Þ
TC ¼ IF WATER TEMP ! 11
ð
Þ AND WATER TEMP 25
ð
Þ THEN
À 2:8591 þ 1:19889 Ã LOGN WATER TEMP
ð
Þ ELSE TC1
ð36:9Þ
TC1 ¼ IF WATER TEMP > 25 THEN 1 ELSE 0
ð36:10Þ
The respiration energy rate in Fig. 36.5 depends on the digestion effort, SDA, the
activity level ACTIV FAC, and the standard metabolism, STANDARD METAB,
the latter being dependent on the gram size and water temperature.
RESPIRATION ¼ IF G SIZE > 0 THEN
7 Ã STANDARD METAB Ã ACTIV FAC
ð
Þ
þ SDA ELSE 0
ð36:11Þ
SDA ¼ :06 Ã INGESTION
ð36:12Þ
ACTIV FAC ¼ TC= 1:06 Ã C
ð
Þþ1
ð36:13Þ
Fig. 36.4
36.1 Grass Carp Model
315