Top‐sprayed mixture of phytase, xylanase and β‐glucanase enhances energy and nutrient matrix in all‐vegetable diets for Nile tilapia

Top‐sprayed mixture of phytase, xylanase and β‐glucanase enhances energy and nutrient matrix in all‐vegetable diets for Nile tilapia

This study aimed to evaluate the effects of supplemental phytase with xylanase and β‐glucanase blend on the apparent digestibility coefficient (ADC) of gross energy and nutrients, including amino acids, minerals, and nitrogen (N) and phosphorus (P) balance in Nile tilapia, Oreochromis niloticus. Die...

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Bibliographic Details
Published in:Aquaculture research Vol. 53; no. 7; pp. 2851 - 2864
Main Authors: Nakamura, Jessica Sayuri Ticse, Macêdo, Élison Silva, Cruz, Thais Pereira, Panaczevicz, Paola Aparecida P., Urbich, Allan V., Wernick, Bruno, Gonçalves, Giovani S., Furuya, Valéria R. B., Furuya, Wilson M.
Format: Journal Article
Language:English
Published: Oxford Hindawi Limited 01-05-2022
Subjects:
Amino acids
Body weight
Body weight gain
Diet
Dietary minerals
Digestibility
Energy
exogenous enzyme
Fish
Freshwater fishes
Marine fishes
Mineral nutrients
Minerals
Nitrogen
nitrogen output
nonstarch polysaccharide
Nutrients
Nutritive value
Oreochromis niloticus
Phosphorus
phosphorus output
Phytase
phytate
Ponds
Sustainability
Tilapia
Tilapia culture
Xylanase
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Summary:This study aimed to evaluate the effects of supplemental phytase with xylanase and β‐glucanase blend on the apparent digestibility coefficient (ADC) of gross energy and nutrients, including amino acids, minerals, and nitrogen (N) and phosphorus (P) balance in Nile tilapia, Oreochromis niloticus. Diets were elaborated either without enzyme supplementation (control) or supplemented with phytase (PHY), xylanase and β‐glucanase (XB) blend or a combination of phytase plus xylanase and β‐glucanase (PHY+XB) blend. Fish (n = 192; 60 ± 3.4 g) were fed with the experimental diets replicated four times. Compared with the control group, fish‐fed with the PHY+XB diet showed a higher ADC of gross energy and nutrients, including amino acids and minerals. Also, compared to control diet, digestible energy, digestible protein and available P contents were higher in fish‐fed diet PHY+XB by 1.63 MJ kg−1, 7.21 and 4.70 g kg−1 diet respectively. Compared to the control group, fish‐fed diet PHY+XB displayed lower total N and P loss of 17.51 and 10.09 g kg−1 of body weight gain (BWG) respectively. The study findings provided new insight into the nutritive value and ecofriendliness/sustainability of diets associated with exogenous enzymes for tilapia culture.
ISSN:1355-557X
1365-2109
DOI:10.1111/are.15800