Avaliação da Enzima de Fitase em Formas Granuladas e Líquidas para Tilapia do Nilo (Oreochromis niloticus)

Pontes, Tânia Cristina; França, Welliton Gonçalves de; Dutra, Fabrício Martins; Portz, Leandro; Ballester, Eduardo Luís Cupertino

doi:10.21071/az.v68i261.3951

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…This will enhance the fish's ability to assimilate nutrients and encourage optimum growth. Some studies on the utilization of phytase enzymes in feed to promote growth and feed efficiency had been conducted on Pagrus major [9], Trachinotus blochii (Siburian et al, 2019), Oreochromis niloticus [10], Clarias gariepinus (Rachmawati et al, 2023a) and Cyprinus carpio (Rachmawati et al, 2023b). However, there is not much information on the addition of phytase enzyme in dietary of tambaqui (C. macropomum).…”

Section: Introductionmentioning

confidence: 99%

Effects of Phytase Enzyme Supplementation on Protein Digestibility, Efficiency of Feed Utilization, Growth and Carcass Protein Content of Tambaqui (Colossoma macropomum)

Rachmawati,

Yuniarti,

Nurhayati

et al. 2024

JAFSAT

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The success of intensive cultivation of tambaqui (Colossoma macropomum) is largely determined by the availability of high-quality feed. High-quality fish diets consist of fish meal produced from animal-based proteins in order to provide fish with the protein requirement. In intensive farming systems, feed costs account for 60–70% of total production costs. Due to fish meal's increasing cost; hence, less expensive ingredients are required to substitute fish meal. Soybean meal can be used as an alternative source of protein to substitute for fish meal due to its lower price and high protein content in fish diet. Phytate acid, one of the antinutritional materials contained within soybean meal, may decrease the nutrient content of feed by affecting with the fish's ability to absorb nutrients. The research aimed to examine the effect of adding the phytase enzyme to diet feed on increasing protein digestibility, efficiency of feed utilization and growth of tambaqui fish. The fingerlings of tambaqui used as test fish had an average weight of 3.85 ± 0.08 g/fish. The diet treatments in this study were phytase enzyme addition in diet with different doses, namely: A (0 FTU/kg feed), B (250 FTU/kg feed), C (500 FTU/kg feed), D (750 FTU/kg feed) and E (1000 FTU/kg feed). The results showed that phytase enzyme addition in diet significantly increased protein digestibility, efficiency of feed utilization, growth, and carcass protein content of tambaqui fish. The most effectiveness phytase enzyme dose for tambaqui fish was 1000 FTU/kg feed, which resulted in highest values of ADCp, PER, FCR, and RGR at 68.46±0.28%, 2.27±0.05, 1.53±0.04, 74.59±0.45%, and 6.01±0.19%/day, respectively.

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Section: Introductionmentioning

confidence: 99%

Effects of Phytase Enzyme Supplementation on Protein Digestibility, Efficiency of Feed Utilization, Growth and Carcass Protein Content of Tambaqui (Colossoma macropomum)

Rachmawati,

Yuniarti,

Nurhayati

et al. 2024

JAFSAT

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Plant-based polymer as a thermoresistant carrier of phytase in Nile tilapia (Oreochromis niloticus) diets

Rodrigues

Carvalho

Xavier

et al. 2023

Animal Feed Science and Technology

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Phytase Supplementation under Commercially Intensive Rearing Conditions: Impacts on Nile Tilapia Growth Performance and Nutrient Digestibility

Rodrigues

Ito

Ribeiro

et al. 2022

Animals

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This study evaluated the effects of phytase supplementation on growth performance and apparent digestibility of Nile tilapia (Oreochromis niloticus) in a commercial fish farm setting. Nile tilapia (6300 male, 57.48 ± 1.04 g) were randomly stocked into 42 floating cages. The experimental design was completely randomized, comprising six treatments and seven replications. Fish were fed five phosphorus deficient plant-based diets with graded levels of phytase supplementation (0, 500, 1000, 1500, 2000 UF kg−1) and an additional diet containing phosphorus supplementation to meet the requirement of this fish species (positive control). After 97 days of feeding, growth performance data were collected and 900 fish (500 ± 10 g) were relocated to 6 floating cages for the digestibility assessment. Quadratic polynomial regression analysis indicated 1537.5 and 1593.2 UF kg−1 as the optimum dietary levels for daily weight gain and feed conversion rate, respectively. Including 2000 UF kg−1 resulted in the higher dry matter, crude protein, energy, and ash apparent digestibility coefficient values. Therefore, phytase supplementation from 1500 to 2000 UF kg−1 is recommended to enhance growth performance and nutrient bioavailability of Nile tilapia reared according to industry practices.

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Avaliação da Enzima de Fitase em Formas Granuladas e Líquidas para Tilapia do Nilo (Oreochromis niloticus)

Cited by 3 publications

References 19 publications

Effects of Phytase Enzyme Supplementation on Protein Digestibility, Efficiency of Feed Utilization, Growth and Carcass Protein Content of Tambaqui (Colossoma macropomum)

Effects of Phytase Enzyme Supplementation on Protein Digestibility, Efficiency of Feed Utilization, Growth and Carcass Protein Content of Tambaqui (Colossoma macropomum)

Plant-based polymer as a thermoresistant carrier of phytase in Nile tilapia (Oreochromis niloticus) diets

Phytase Supplementation under Commercially Intensive Rearing Conditions: Impacts on Nile Tilapia Growth Performance and Nutrient Digestibility

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