La inclusión de plantas acuáticas fermentadas en dietas con bajo contenido de harina de pescado para Cachama blanca, Piaractus brachypomus
Inclusion of fermented aquatic plants as feed resource for Cachama blanca, Piaractus brachypomus, fed low-fish meal diets
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Obtained from ITALCOL Alimentos Concentrados © (Villavicencio, Colombia)
Duckweed (Lemna minor and Spirodela polyrhiza) and water fern (Azolla filiculoides) were harvested as wild or uncultivated material from water bodies in Colombia and afterwards fermented.
Rovimix vitamin: ®Lab. Roche S.A. 0.5 (Vit A 8.0*106 UI, Vit D3, 1.8*106 UI, Vit E 66.66g, Vit B1 6.66g, Vit B2 13.33g, Vit B6 6.66g, Calciumpantothenic 33.33g, Biotin 533.3mg, Folicacid 2.66g, Ascorbicacid 400.0g, Nicotinicacid 100.0g, Vit B12 20.0mg, Vit K3 6.66g, cspvehicle 1.0Kg.
Micro-minerals premix: ®Lab. Roche S.A. 1.0 (Composition per 100g the product: Mg 1.0, Zn 16.0, Fe 4.0, Cu 1.0, I 0.5, Se 0.05, Co 0.01). 3 Vitamin C, StayC-35
Nitrogen-free Extract (NFE) = 100-(Ash+ Protein+ Fibre+ Fat)
Specific growth rate (SGR) = [lnWf (mean final weight) − lnWi (mean initial weight)/56 days] × 100.
Percent weight gain (WG) = 100(Final weight-Initial weight)/ Initial weight.
Feed conversion ratio (FCR) = total feed intake in dry basis (g) / wet weight gain (g).
Protein efficiency ratio (PER) = total weight gain (g)/protein intake (g).
Feed consumption (FC) during the experimental period (56 days)
Survival Rate (SR) Wi: initial weight, Wf: final weight