Apparent nutrient digestibility and mineral availability of protein-rich ingredients in extruded diets for Nile tilapia

Guimarães, Igo Gomes; Pezzato, Luiz Edivaldo; Barros, Margarida Maria; Fernandes, Rosângela do Nascimento

doi:10.1590/s1516-35982012000800001

Cited by 22 publications

(22 citation statements)

References 32 publications

(37 reference statements)

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“…This correlation has been reported in other studies (Guimarães et al, 2012;Vidal et al, 2015). The GE digestibility observed in this study was similar to values reported for silver perch (77%) (Allan et al, 2000) but lower than values reported for hybrid tilapia, O. niloticus × O. aureus (81.5%) (Zhou & Yue, 2012).…”

Section: Digestibilitysupporting

confidence: 91%

“…Dietary fiber is not entirely digested by most fish species (NRC 2011) and studies have reported that the dietary fiber content and ADCDM are related (Allan et al, 2000;Guimarães et al, 2012). The ADCDM value determined in this study is similar to values reported for the other fish species, such as silver perch, Bidyanus bidyanus (74.2%) (Allan et al, 2000); yellowfin seabream, Sparus latus (70.6%) (Wu et al, 2006); and hybrid tilapia, O. niloticus × O. aureus (66.6%) (Zhou & Yue, 2012).…”

Section: Digestibilitymentioning

confidence: 99%

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Replacement of soybean meal by peanut meal in diets for juvenile Nile tilapia, Oreochromis niloticus

Silva

Damasceno

Rocha

et al. 2017

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ABSTRACT. The use of alternative feeds aims to maintain productivity and reduce animal production costs. This objective of this study was to determine the nutritional value of peanut meal (PNM), as well as replacement of soybean meal (SBM) by PNM in diets for Nile tilapia, Oreochromis niloticus. To determine the apparent digestibility coefficients (ADC) of nutrients from the PNM, 40 fish (100 ± 4.3 g) were randomly distributed in four 250 L tanks and fed reference and test diets (50% PNM) plus 0.1% chromic oxide. Feces were collected by modified Guelph system. For the growth performance trial, 180 fish (13.4 ± 0.2 g) were randomly distributed in 30 200 L tanks and fed during 90 days with isoproteic (26.8% digestible protein) and isoenergetic (17.6 kJ g -1 digestible energy) diets containing replacement levels of 0, 25, 50, 75 and 100% of SBM digestible protein by PNM digestible protein. The experimental design was completely randomized with five treatments and six replicates. The ADC for protein from PNM was 90.9% whereas the ADCs for essential amino acids ranged from 88.7% for lysine to 97.6% for arginine. The feed conversion ratio was significantly affected when the SBM was totally replaced by PNM. The protein efficiency ratio, protein retention and whole-body protein content significantly decreased in fish fed diets containing PNM levels above 25% of PNM. Therefore, PNM can replace up to 25% of SBM without impairing juvenile Nile tilapia growth performance, feed efficiency, and body composition.

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Section: Digestibilitysupporting

confidence: 91%

Section: Digestibilitymentioning

confidence: 99%

Replacement of soybean meal by peanut meal in diets for juvenile Nile tilapia, Oreochromis niloticus

Silva

Damasceno

Rocha

et al. 2017

lajar

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“…Thus, four digestible protein levels (28.0, 35.0, 42.0, and 49.0% DP) at two digestible energy levels (3,200 and 3,600 kcal/kg) were tested comprising eight diets. Digestible protein and energy content of feedstuffs were calculated based on apparent digestibility coefficients reported for tilapia (PEZZATO et al, 2002;GUIMARÃES et al, 2008GUIMARÃES et al, , 2012.…”

Section: Experimental Diet and Diet Preparationmentioning

confidence: 99%

Protein to energy ratios in goldfish (Carassius auratus) diets

et al. 2013

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The optimal dietary digestible protein to energy ratio is critical for the success of fish farming. Considering that it provides the proper development of the animals, this study was undertaken to evaluate the effects of different dietary digestible protein to energy ratio in diets for goldfish fingerlings. Diets were formulated to contain 28.0, 35.0, 42.0 and 49.0% DP and 3,600 and 3,200 kcal/ kg. The growth parameters evaluated were daily weight gain (DWG), feed intake (FI), feed conversion ratio (FCR), protein efficiency ratio (PER), protein productive value (PPV) and energy retention ratio (ERR) and specific growth rate (SGR). Regardless FI, all the parameters were affected by protein and energy levels and interaction between both factors was observed. The second-order polynomial equation best fitted to the DWG, SGR, FCR, PER and ERR with estimated requirement values of 38.81, 38.85, 41.05, 41.80 and 39.39% DP, respectively, at the 3,200 kcal/kg. A second-order polynomial model was significant only for the ERR data at the 3,600 kcal/kg with an estimated requirement value of 36.45% DP. Generally, fish fed diets containing 3,200 kcal/kg had better growth performance than fish fed 3,600 kcal/kg (P<0.01), indicating a higher feed efficiency. A 3,200 kcal/kg diet seems to be the proper DE level for meeting goldfish requirement for highest weight gain. Based on this experimental condition, we recommend the use of DP levels between 38.0-40.0% in diets for goldfish with 3,200 kcal/kg or a dietary protein to energy ratio between 119-125 mg/ kcal DE.Index terms: Energy requirement, feed intake, growth protein requirement, ornamental fish. RESUMOA ótima relação energia/proteína é importante para o sucesso da piscicultura. Considerando que a mesma fornece o adequado desenvolvimento dos animais, este estudo foi realizado para avaliar a relação energia/proteína digestível ótima para alevinos de kinguio. Dietas foram formuladas para conter 28,0; 35,0; 42,0 e 49,0% PD e 3600 e 3200 kcal/kg. Foram avaliados: ganho de peso diário (GPD), consumo de ração aparente (CRA), conversão alimentar aparente (CAA), taxa de eficiência protéica (TEP), valor produtivo protéico (VPP), taxa de retenção de energia (TRE) e taxa de crescimento especifico (TCE). Com exceção do CRA, todos os parâmetros foram afetados pelos níveis de proteína e energia e interação entre os dois fatores foram observados. O modelo que melhor se ajustou aos parâmetros GPD, TCE, CAA, TEP e TRE foi o polinomial de segunda ordem com valores de exigência de 38,81; 38,85; 41,05; 41,80 e 39,39% DP, respectivamente, para o nível de 3200 kcal ED/kg. O modelo polinomial de segunda ordem foi significativo apenas para os dados de TRE no nível de 3600 kcal ED/kg, com valor de exigência 36,45% PD. Os peixes alimentados com dietas contendo 3200 kcal/kg apresentaram melhor desempenho de crescimento do que os alimentados com 3600 kcal/kg (P<0,01), indicando uma maior eficiência alimentar. 3200 kcal/kg ED parece ser o nível adequado encontrado para kinguio para maior ganho d...

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“…Aspecto semelhante foi observado por GONÇALVES et al(2005) quando avaliaram a disponibilidade do cálcio no farelo de soja, soja extrusada, farelo de algodão, glúten de milho e farelo de girassol, assim como por GUIMARÃES et al (2012) com o farelo de soja e o farelo de algodão. Entretanto, esses resultados diferem daqueles apresentados por KOPRUCU e OZDEMIR (2005), que obtiveram 20,3% para o glúten de milho e 29,0% para farelo de soja, e também por FURUYA et al (2001), que registraram coeficiente de disponibilidade igual a 85,04% para esse mineral no farelo de soja.…”

Section: Justificaram Os Valores Deunclassified

“…Os coeficientes de disponibilidade do magnésio obtidos no presente estudo são similares ao valor encontrado por GONÇALVES et al (2005) para o magnésio do glúten de milho (38,91%), mas se mostram relativamente inferiores àqueles obtidos por GUIMARÃES et al (2012) e GONÇALVES et al (2005, respectivamente, 72,62% e 75,61%. Para este mineral no farelo de algodão, os valores foram semelhantes ao apresentado por GONÇALVES et al (2005): 73,43%; contudo, os coeficientes obtidos na presente pesquisa mostraram-se superiores aos determinados neste ingrediente (37,49%) por GUIMARÃES et al (2012).…”

Section: Justificaram Os Valores Deunclassified

Digestibilidade de fontes proteicas e disponibilidade de fosfatos inorgí¢nicos em três fases de desenvolvimento da tilápia-do-nilo

et al. 2017

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RESUMOA digestibilidade aparente dos nutrientes de ingredientes proteicos e fosfatos inorgânicos foi comparada em três diferentes fases de desenvolvimento da tilápia-do-nilo. Os ingredientes testados foram farinha de peixe, farinha de vísceras de aves, farinha de carne e ossos, glúten de milho, farelo de soja, farelo de algodão, fosfato monobicálcico, fosfato bicálcico, fosfato monopotássico e ácido fosfórico. Os coeficientes de digestibilidade aparente (CDAs) de matéria seca, proteína, energia, P, Ca e Mg foram determinados com peixes de 25 g, 250 g e 500 g. Concluiu-se que a capacidade da tilápia-do-nilo de digerir os alimentos e absorver os nutrientes é dependente do peso corporal e das características do alimento avaliado. Houve tendência de melhor aproveitamento de nutrientes dos alimentos de origem animal e das fontes inorgânicas pelos peixes de 25 g. Os peixes de 250 g e 500 g mostraram melhor aproveitamento dos nutrientes das fontes proteicas de origem vegetal, quando comparados aos peixes de 25 g.Palavras-chave: estágio de desenvolvimento; nutrientes digestíveis; fósforo disponível; ingredientes proteicos; Oreochromis niloticus; suplementos minerais PROTEIN SOURCES DIGESTIBILITY AND INORGANIC PHOSPHATES AVAILABILITY BY NILE TILAPIA IN TREE DEVELOPMENT STAGES ABSTRACTApparent digestibility of nutrients in several protein ingredients and inorganic phosphates were compared in three Nile tilapia different development stage. The ingredients tested were fish meal, chicken by-product meal, meat and bone meal, corn gluten, soybean meal, cotton seed meal, monobi-calcium phosphate, bi-calcium phosphate, mono-potassium phosphate and phosphoric acid. The apparent digestibility coefficients of dry matter, crude protein, gross energy, phosphorus, calcium and magnesium were determined with 25g, 250g and 500g fish. It was concluded that, the capacity of Nile tilapia to digesting feed and absorbing nutrients is dependent on the body weight and characteristics of food evaluated. There was a trend to better utilization of nutrients from animal origin foods and inorganic sources by 25g fish. The fishes with 250g and 500g showed better use of plant protein sources than 25g fish.

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Apparent nutrient digestibility and mineral availability of protein-rich ingredients in extruded diets for Nile tilapia

Cited by 22 publications

References 32 publications

Replacement of soybean meal by peanut meal in diets for juvenile Nile tilapia, Oreochromis niloticus

Replacement of soybean meal by peanut meal in diets for juvenile Nile tilapia, Oreochromis niloticus

Protein to energy ratios in goldfish (Carassius auratus) diets

Digestibilidade de fontes proteicas e disponibilidade de fosfatos inorgí¢nicos em três fases de desenvolvimento da tilápia-do-nilo

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Apparent nutrient digestibility and mineral availability of protein-rich ingredients in extruded diets for Nile tilapia

Cited by 22 publications

References 32 publications

Replacement of soybean meal by peanut meal in diets for juvenile Nile tilapia, Oreochromis niloticus

Replacement of soybean meal by peanut meal in diets for juvenile Nile tilapia, Oreochromis niloticus

Protein to energy ratios in goldfish (Carassius auratus) diets

Digestibilidade de fontes proteicas e disponibilidade de fosfatos inorgí­¢nicos em três fases de desenvolvimento da tilápia-do-nilo

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Digestibilidade de fontes proteicas e disponibilidade de fosfatos inorgí¢nicos em três fases de desenvolvimento da tilápia-do-nilo