Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen Diets
ABSTRACT Background The use of wheat bran (WB) in the monogastric animal feed is limited due to its high fibre content and low energy contents. Objectives The current study evaluated the effect of replacing maize meal with WB, in the absence or presence of soybean oil, on egg quality and economic pe...
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Wiley
2025-07-01
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| Series: | Veterinary Medicine and Science |
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| Online Access: | https://doi.org/10.1002/vms3.70388 |
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| author | Mariana Novela Abilio P. Changule Igor I. S. Munguambe Florentina D. Chilala Leonel A. Joaquim Eunice J. Chivale Marcos Mabasso Ramos J. Tseu Filomena dos Anjos Otília H. T. Tomo Manuel Garcia‐Herreros Custódio G. Bila |
| author_facet | Mariana Novela Abilio P. Changule Igor I. S. Munguambe Florentina D. Chilala Leonel A. Joaquim Eunice J. Chivale Marcos Mabasso Ramos J. Tseu Filomena dos Anjos Otília H. T. Tomo Manuel Garcia‐Herreros Custódio G. Bila |
| author_sort | Mariana Novela |
| collection | DOAJ |
| description | ABSTRACT Background The use of wheat bran (WB) in the monogastric animal feed is limited due to its high fibre content and low energy contents. Objectives The current study evaluated the effect of replacing maize meal with WB, in the absence or presence of soybean oil, on egg quality and economic performance indicators. Methods In a completely randomized design, 36 ISA Brown laying hens (age: 40 weeks) were used. The hens were distributed in individual cages (4 individuals/cage; n = 4) and subjected to three treatments: T1 (basal diet), T2 (basal diet with 20% maize meal replaced by WB) and T3 (basal diet with 20% maize meal replaced by 17.5% WB and 2.5% soybean oil). To assess egg quality over an 8‐week period, the following parameters were calculated: egg weight, length and width, shell resistance and thickness, shell, yolk and albumen percentage, Haugh unit and yolk colour. For the economic assessment, feeding costs, production cost per egg, production cost per dozen eggs, gross revenue, gross added value, profitability index, contribution margins and break‐even point were calculated. The data were subjected to two‐way analysis of variance (ANOVA) and the Tukey test. Results The partial replacement of maize meal with WB, in the absence or presence of soybean oil, showed no differences (p > 0.05) for all evaluated egg quality parameters; however, a significant reduction in gross revenue along with a notable increase in gross added value, profitability index and contribution margin was observed (p < 0.05). Regarding the break‐even point, no significant effect was observed (p > 0.05). Conclusion It was concluded that the addition of soybean oil to diets containing 20% WB was as efficient as the basal diet regarding egg quality, together with an improvement of the economic performance. |
| format | Article |
| id | doaj-art-6a872b0b51f34131a94f38fbb6eca832 |
| institution | Matheson Library |
| issn | 2053-1095 |
| language | English |
| publishDate | 2025-07-01 |
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| series | Veterinary Medicine and Science |
| spelling | doaj-art-6a872b0b51f34131a94f38fbb6eca8322025-07-22T14:05:52ZengWileyVeterinary Medicine and Science2053-10952025-07-01114n/an/a10.1002/vms3.70388Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen DietsMariana Novela0Abilio P. Changule1Igor I. S. Munguambe2Florentina D. Chilala3Leonel A. Joaquim4Eunice J. Chivale5Marcos Mabasso6Ramos J. Tseu7Filomena dos Anjos8Otília H. T. Tomo9Manuel Garcia‐Herreros10Custódio G. Bila11Department of Animal and Public Health, Faculty of Veterinary Medicine Eduardo Mondlane University (UEM) Maputo MozambiqueCenter for Genetic Resources and Animal Assisted Techniques (CRGTRA), Directorate of Animal Science (DCA) Agricultural Research Institute of Mozambique (IIAM) Matola MozambiqueDepartment of Animal and Public Health, Faculty of Veterinary Medicine Eduardo Mondlane University (UEM) Maputo MozambiqueVeterinary Medicine Institute Federal University of Pará Belém BrazilAgricultural Research Institute of Mozambique (IIAM) Angonia MozambiqueDepartment of Animal Production and Food Technology, Faculty of Veterinary Medicine Eduardo Mondlane University Maputo MozambiqueDepartment of Basic Sciences, Faculty of Veterinary Medicine Eduardo Mondlane University Maputo MozambiqueSection of Animal Nutrition, Faculty of Veterinary Medicine Eduardo Mondlane University Maputo MozambiqueSection of Animal Nutrition, Faculty of Veterinary Medicine Eduardo Mondlane University Maputo MozambiqueDirectorate of Animal Science (DCA) Agricultural Research Institute of Mozambique (IIAM) Maputo MozambiqueNational Institute for Agricultural and Veterinary Research (INIAV) Santarém PortugalDepartment of Animal and Public Health, Faculty of Veterinary Medicine Eduardo Mondlane University (UEM) Maputo MozambiqueABSTRACT Background The use of wheat bran (WB) in the monogastric animal feed is limited due to its high fibre content and low energy contents. Objectives The current study evaluated the effect of replacing maize meal with WB, in the absence or presence of soybean oil, on egg quality and economic performance indicators. Methods In a completely randomized design, 36 ISA Brown laying hens (age: 40 weeks) were used. The hens were distributed in individual cages (4 individuals/cage; n = 4) and subjected to three treatments: T1 (basal diet), T2 (basal diet with 20% maize meal replaced by WB) and T3 (basal diet with 20% maize meal replaced by 17.5% WB and 2.5% soybean oil). To assess egg quality over an 8‐week period, the following parameters were calculated: egg weight, length and width, shell resistance and thickness, shell, yolk and albumen percentage, Haugh unit and yolk colour. For the economic assessment, feeding costs, production cost per egg, production cost per dozen eggs, gross revenue, gross added value, profitability index, contribution margins and break‐even point were calculated. The data were subjected to two‐way analysis of variance (ANOVA) and the Tukey test. Results The partial replacement of maize meal with WB, in the absence or presence of soybean oil, showed no differences (p > 0.05) for all evaluated egg quality parameters; however, a significant reduction in gross revenue along with a notable increase in gross added value, profitability index and contribution margin was observed (p < 0.05). Regarding the break‐even point, no significant effect was observed (p > 0.05). Conclusion It was concluded that the addition of soybean oil to diets containing 20% WB was as efficient as the basal diet regarding egg quality, together with an improvement of the economic performance.https://doi.org/10.1002/vms3.70388economic indicatorsegg qualitylaying henssoybean oilwheat bran |
| spellingShingle | Mariana Novela Abilio P. Changule Igor I. S. Munguambe Florentina D. Chilala Leonel A. Joaquim Eunice J. Chivale Marcos Mabasso Ramos J. Tseu Filomena dos Anjos Otília H. T. Tomo Manuel Garcia‐Herreros Custódio G. Bila Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen Diets Veterinary Medicine and Science economic indicators egg quality laying hens soybean oil wheat bran |
| title | Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen Diets |
| title_full | Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen Diets |
| title_fullStr | Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen Diets |
| title_full_unstemmed | Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen Diets |
| title_short | Improving Egg Quality in Tropical Environments: Assessing the Maize Meal Replacement by Wheat Bran and Soybean Oil in Laying Hen Diets |
| title_sort | improving egg quality in tropical environments assessing the maize meal replacement by wheat bran and soybean oil in laying hen diets |
| topic | economic indicators egg quality laying hens soybean oil wheat bran |
| url | https://doi.org/10.1002/vms3.70388 |
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