Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quails

The impact of dietary lysozyme (LZ) supplementation on the growth and laying performance was investigated over 4 weeks of growing and 6 weeks of laying periods in two different plumage color (white and brown-feathered) Japanese quail varieties. For each variety, 240 birds were randomly assigned into...

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Main Authors: Ibrahim Elkhaiat, Seham El-Kassas, Karima El-Naggar, Safaa Abdo, Haitham K. Shalaby, Mahmoud M. Azzam, Alessandro Di Cerbo, Mahmoud Alagawany, Reyad Y. Nofal
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Poultry Science
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Online Access:http://www.sciencedirect.com/science/article/pii/S0032579124010691
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author Ibrahim Elkhaiat
Seham El-Kassas
Karima El-Naggar
Safaa Abdo
Haitham K. Shalaby
Mahmoud M. Azzam
Alessandro Di Cerbo
Mahmoud Alagawany
Reyad Y. Nofal
author_facet Ibrahim Elkhaiat
Seham El-Kassas
Karima El-Naggar
Safaa Abdo
Haitham K. Shalaby
Mahmoud M. Azzam
Alessandro Di Cerbo
Mahmoud Alagawany
Reyad Y. Nofal
author_sort Ibrahim Elkhaiat
collection DOAJ
description The impact of dietary lysozyme (LZ) supplementation on the growth and laying performance was investigated over 4 weeks of growing and 6 weeks of laying periods in two different plumage color (white and brown-feathered) Japanese quail varieties. For each variety, 240 birds were randomly assigned into four groups with four replicates for each group. The first group (control) was fed a basal non-supplemented diet (BD). Whereas the 2nd, 3rd, and 4th received the BD supplemented with commercial LZ (CLZ) at 100 mg/kg diet, and natural LZ (NLZ) at 100 and 200 mg/kg diet, respectively. The main findings included significant increases in body weights and gains in the white-feathered quails supplemented with NLZ1 compared to the control and NLZ2. However, there were no significant differences in the case of brown-feathered quails in all LZ supplementations. Moreover, the different dietary LZ lowered FI in both quails with the lowest intake observed in the brown-feathered quails. Accordingly, enhanced FCR was reported in the CLZ groups for both quail varieties and in NLZ1 and NLZ2 for the white-feathered and brown-feathered quails, respectively. In both quail varieties, the NLZ2 significantly lowered serum creatinine and urea and increased albumen and globulin levels compared with other groups. Histologically, the best hepatic histological features were found in both quail’ varieties fed the NLZ1-supplemented diet. Accompanying LZ-induced modulations in the expression levels of GHR, IGF-1, leptin, CCK, FAS, and ACC genes in both quail varieties were reported. Besides, both quail varieties in NLZ1& NLZ2 supplementation exhibited significant increases in hen day egg production, egg weight, egg mass, and hatchability percentages along with differences in external and internal egg qualities compared with LZ-free diet or CLZ. Therefore, NLZ could be used as an effective feed supplement to enhance the growth and egg performance of Japanese quail with caution being drawn to the supplementation dose about quail variety.
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publishDate 2025-01-01
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series Poultry Science
spelling doaj-art-40c33d9bbe2d4812bbf6b5aa4d3b91ac2025-01-22T05:40:14ZengElsevierPoultry Science0032-57912025-01-011041104491Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quailsIbrahim Elkhaiat0Seham El-Kassas1Karima El-Naggar2Safaa Abdo3Haitham K. Shalaby4Mahmoud M. Azzam5Alessandro Di Cerbo6Mahmoud Alagawany7Reyad Y. Nofal8Department of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, 33516, EgyptAnimal, Poultry and Fish Breeding and Production, Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, EgyptDepartment of Nutrition and Veterinary Clinical Nutrition, Faculty of Veterinary Medicine, Alexandria University, EgyptGenetics and Genetic Engineering, Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, EgyptDepartment of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, 33516, EgyptDepartment of Animal Production, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi ArabiaSchool of Biosciences and Veterinary Medicine, University of Camerino, 62024, Matelica, Italy; Corresponding author.Poultry Department, Agriculture Faculty, Zagazig University, Zagazig, 44511, EgyptDepartment of Poultry Production, Faculty of Agriculture, Kafrelsheikh University, 33516, EgyptThe impact of dietary lysozyme (LZ) supplementation on the growth and laying performance was investigated over 4 weeks of growing and 6 weeks of laying periods in two different plumage color (white and brown-feathered) Japanese quail varieties. For each variety, 240 birds were randomly assigned into four groups with four replicates for each group. The first group (control) was fed a basal non-supplemented diet (BD). Whereas the 2nd, 3rd, and 4th received the BD supplemented with commercial LZ (CLZ) at 100 mg/kg diet, and natural LZ (NLZ) at 100 and 200 mg/kg diet, respectively. The main findings included significant increases in body weights and gains in the white-feathered quails supplemented with NLZ1 compared to the control and NLZ2. However, there were no significant differences in the case of brown-feathered quails in all LZ supplementations. Moreover, the different dietary LZ lowered FI in both quails with the lowest intake observed in the brown-feathered quails. Accordingly, enhanced FCR was reported in the CLZ groups for both quail varieties and in NLZ1 and NLZ2 for the white-feathered and brown-feathered quails, respectively. In both quail varieties, the NLZ2 significantly lowered serum creatinine and urea and increased albumen and globulin levels compared with other groups. Histologically, the best hepatic histological features were found in both quail’ varieties fed the NLZ1-supplemented diet. Accompanying LZ-induced modulations in the expression levels of GHR, IGF-1, leptin, CCK, FAS, and ACC genes in both quail varieties were reported. Besides, both quail varieties in NLZ1& NLZ2 supplementation exhibited significant increases in hen day egg production, egg weight, egg mass, and hatchability percentages along with differences in external and internal egg qualities compared with LZ-free diet or CLZ. Therefore, NLZ could be used as an effective feed supplement to enhance the growth and egg performance of Japanese quail with caution being drawn to the supplementation dose about quail variety.http://www.sciencedirect.com/science/article/pii/S0032579124010691LysozymeQuailGrowth performanceGene expression
spellingShingle Ibrahim Elkhaiat
Seham El-Kassas
Karima El-Naggar
Safaa Abdo
Haitham K. Shalaby
Mahmoud M. Azzam
Alessandro Di Cerbo
Mahmoud Alagawany
Reyad Y. Nofal
Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quails
Poultry Science
Lysozyme
Quail
Growth performance
Gene expression
title Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quails
title_full Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quails
title_fullStr Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quails
title_full_unstemmed Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quails
title_short Dietary supplementation of lysozyme can improve growth rate, laying performance, blood biochemistry, and mRNA levels of some related genes in different plumage-colored quails
title_sort dietary supplementation of lysozyme can improve growth rate laying performance blood biochemistry and mrna levels of some related genes in different plumage colored quails
topic Lysozyme
Quail
Growth performance
Gene expression
url http://www.sciencedirect.com/science/article/pii/S0032579124010691
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