Nutrition of Common Freshwater Ornamental Fishes

Table 37. Growth and dietary performance of sword tail Xiphophorus helleri
fed different practical diets.
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Nutritional indices
Diet Initial Final Weight
weight weight gain FCR SGR PER
(g) (g) (g)
Snail meal 7.33 12.09 4.76 1.57 0.83 1.60
±0.14 a ±0.15 ab ±0.27 ab ±0.03 be ±0.05 ab ±0.03 a
Freshwater fish 7.39 12.12 4.73 1.58 0.82 1.57
processing waste ±0.21 a ±OAO ab ±OA1 ab ±0.03 be ±0.06 ab ±0.03 ab
Marine fish 7.57 10.84 3.27 1.73 0.60 1041
processing waste ±0.08 a ±O.l6 e ±0.10 e ±0.03 a ±0.01 e ±0.02 e
Chicken waste 7.58 12.77 5.19 1.50 0.87 1.65
±0.10 a ±0.05 a ±0.14 a ±0.02 e ±0.03 a ±0.02 a
Earthworm meal 7.50 11.56 4.06 1.66 0.72 1049
±0.02 a ±0.03 be ±0.03 be ±0.03 ab ±0.01 be ±0.03 be
Squid meal 7.56 12.30 4.74 1.58 0.81 1.57
±0.18 a ±0.28 ab ±OA4 ab ±0.05 be ±0.07 ab ±0.05 ab
Mussel meal 7047 12047 4.99 1.52 0.86 1.64
±0.23 a ±0.16 a ±0.26 a ±0.03 e ±0.05 a ±0.03 a
Chicken liver 7.56 12.71 5.12 1.50 0.86 1.63
±0.09 a ±OA6 a ±0.51 a ±0.03 e ±0.07 a ±0.03 a
Prawn meal 7.56 12.35 4.79 1.57 0.82 1.59
±0.10 a ±0.09 ab ±0.01 ab ±0.02 be ±O.O1 ab ±0.02 a