Ameliorative Effects of Different Dietary Levels of Fish Protein Hydrolysate (FPH) on Growth and Reproductive Performance, Feed Stability, Tissues Biochemical Composition, Haematobiochemical Profile, Liver Histology, and Economic Analysis of Pabda (Ompok pabda) Broodstock

Table 9

Economic analysis of O. pabda culture when fed with feed containing dietary FPH at different percentages.

Parameters	Diets (FPH (%))
	D1 (0)	D2 (5)	D3 (7)	D4 (9)
TY (kg/m^2)	0.39 ± 0.01^d	0.58 ± 0.03^c	0.77 ± 0.02^a	0.70 ± 0.07^b
FFC (USD/kg)	1.07 ± 0.05^a	0.97 ± 0.05^b	0.81 ± 0.02^c	1.15 ± 0.05^a
FR (USD/m^2)	1.43 ± 0.03^d	2.11 ± 0.11^c	2.85 ± 0.08^a	2.56 ± 0.26^b
FRM (USD/m^2)	1.01 ± 0.04^c	1.55 ± 1.00^b	2.22 ± 0.08^a	1.76 ± 0.19^b
ROI (%)	242.26 ± 15.91^c	277.07 ± 20.79^b	355.68 ± 13.00^a	220.12 ± 11.96^c

Values are expressed as mean ± SD. TY, total yield; FFC, farm feed cost; FR, farm revenue; FRM, farm raw margin; and ROI, return on investment. Distinct superscript letters in each row indicate significant variation ().