Effects of supplemental vitamin A on reproduction and antioxidative status of aged laying hens, and growth, blood indices and immunity of their offspring
Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved..
The purpose of this investigation was to evaluate the impacts of vitamin A (VA) supplementation in feed at levels of 0 (control), 2,000, 4,000, 6,000, and 8,000 IU VA/kg diet on the reproductive efficiency and antioxidative properties of aged Sinai laying hens at 52 wk of age (n = 300 females and 30 males) in 6 replicates (10 females + 1 male/replicate). As well as blood biochemical indicators, carcass characteristics, growth performance, immunity, and the antioxidative status of their chicks. Results showed that diets supplemented with 2,000 or 6,000 IU/kg of VA increased fertility rate and decreased early embryonic mortality (P < 0.05). Increasing VA from 4,000 to 6,000 IU/kg significantly boosted hatchability rates. All VA levels significantly enhanced glutathione peroxidase (GPx) and reduced malondialdehyde (MDA) and late embryonic mortality. In the shell gland, dietary supplementation of 6,000 or 8,000 IU/kg of VA enhanced actions of GPx actions, catalase (CAT), and superoxide dismutase (SOD). In hatched chicks, all VA levels boosted (P < 0.05) hemoglobin, red blood cell count, and serum concentration of total proteins and IgA while decreasing eosinophils percentage and aspartate aminotransferase activity (AST) concentration. Dietary VA supplementations from 4,000 to 8,000 IU/kg improved lymphocytes, serum total antioxidant capacity (TAC), SOD, and IgM, while decreasing heterophils, heterophils/lymphocytes ratio, and creatinine in hatched chicks. Serum triglyceride concentration was reduced by adding 6,000 or 8,000 IU/kg of VA, while globulin and high-density lipoprotein concentrations were heightened only by 8,000 IU/kg of VA. It could be concluded that the dietary supplementation of VA (6,000 IU/kg) improved reproductive efficiency and antioxidative status in the liver and the shell gland of aged laying hens and improved hemato-biochemicals parameters, antioxidative status, and immunity of their offspring.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2024 |
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Erschienen: |
2024 |
Enthalten in: |
Zur Gesamtaufnahme - volume:103 |
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Enthalten in: |
Poultry science - 103(2024), 3 vom: 01. März, Seite 103453 |
Sprache: |
Englisch |
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Beteiligte Personen: |
El-Ratel, Ibrahim T [VerfasserIn] |
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Links: |
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Themen: |
11103-57-4 |
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Anmerkungen: |
Date Completed 04.03.2024 Date Revised 04.03.2024 published: Print-Electronic Citation Status MEDLINE |
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doi: |
10.1016/j.psj.2024.103453 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM367961873 |
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520 | |a Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved. | ||
520 | |a The purpose of this investigation was to evaluate the impacts of vitamin A (VA) supplementation in feed at levels of 0 (control), 2,000, 4,000, 6,000, and 8,000 IU VA/kg diet on the reproductive efficiency and antioxidative properties of aged Sinai laying hens at 52 wk of age (n = 300 females and 30 males) in 6 replicates (10 females + 1 male/replicate). As well as blood biochemical indicators, carcass characteristics, growth performance, immunity, and the antioxidative status of their chicks. Results showed that diets supplemented with 2,000 or 6,000 IU/kg of VA increased fertility rate and decreased early embryonic mortality (P < 0.05). Increasing VA from 4,000 to 6,000 IU/kg significantly boosted hatchability rates. All VA levels significantly enhanced glutathione peroxidase (GPx) and reduced malondialdehyde (MDA) and late embryonic mortality. In the shell gland, dietary supplementation of 6,000 or 8,000 IU/kg of VA enhanced actions of GPx actions, catalase (CAT), and superoxide dismutase (SOD). In hatched chicks, all VA levels boosted (P < 0.05) hemoglobin, red blood cell count, and serum concentration of total proteins and IgA while decreasing eosinophils percentage and aspartate aminotransferase activity (AST) concentration. Dietary VA supplementations from 4,000 to 8,000 IU/kg improved lymphocytes, serum total antioxidant capacity (TAC), SOD, and IgM, while decreasing heterophils, heterophils/lymphocytes ratio, and creatinine in hatched chicks. Serum triglyceride concentration was reduced by adding 6,000 or 8,000 IU/kg of VA, while globulin and high-density lipoprotein concentrations were heightened only by 8,000 IU/kg of VA. It could be concluded that the dietary supplementation of VA (6,000 IU/kg) improved reproductive efficiency and antioxidative status in the liver and the shell gland of aged laying hens and improved hemato-biochemicals parameters, antioxidative status, and immunity of their offspring | ||
650 | 4 | |a Journal Article | |
650 | 4 | |a aged laying hen | |
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650 | 4 | |a immunity | |
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700 | 1 | |a Amara, Mariam M |e verfasserin |4 aut | |
700 | 1 | |a Beshara, Malak M |e verfasserin |4 aut | |
700 | 1 | |a Basuini, Mohammed F El |e verfasserin |4 aut | |
700 | 1 | |a Fouda, Sara F |e verfasserin |4 aut | |
700 | 1 | |a El-Kholy, Khaled H |e verfasserin |4 aut | |
700 | 1 | |a Ebeid, Tarek A |e verfasserin |4 aut | |
700 | 1 | |a Kamal, Mahmoud |e verfasserin |4 aut | |
700 | 1 | |a Othman, Sarah I |e verfasserin |4 aut | |
700 | 1 | |a Rudayni, Hassan A |e verfasserin |4 aut | |
700 | 1 | |a Allam, Ahmed A |e verfasserin |4 aut | |
700 | 1 | |a Moustafa, Mahmoud |e verfasserin |4 aut | |
700 | 1 | |a Tellez-Isaias, Guillermo |e verfasserin |4 aut | |
700 | 1 | |a Abd El-Hack, Mohamed E |e verfasserin |4 aut | |
700 | 1 | |a Mekawy, Aml |e verfasserin |4 aut | |
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