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Lari MA, Afsharmanesh M, Bami MK. Exploring the effects of varying levels of selenium-chitosan on production performance, egg quality, and immune health in laying japanese quail. Poult Sci 2024; 103:103943. [PMID: 38964271 PMCID: PMC11278323 DOI: 10.1016/j.psj.2024.103943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 05/23/2024] [Accepted: 05/31/2024] [Indexed: 07/06/2024] Open
Abstract
The purpose of this research was to see how different levels of Se-chitosan, a novel organic source of Se, affected the production performance, egg quality, egg Se concentration, microbial population, immunological response, antioxidant status, and yolk fatty acid profile of laying Japanese quail. This experiment used a totally randomized design, with 5 treatments, 6 repeats, and 10 birds in each repetition. The dietary treatment groups were as follows: no Se supplementation (control group), 0.2 mg/kg Na-selenite supplementation, and 0.2, 0.4, and 0.6 mg/kg Se-chitosan supplementation. The feed conversion ratio (FCR) improved linearly in quails fed different levels of Se-chitosan compared to the control group (P < 0.05). Furthermore, Se-chitosan at concentrations of 0.2 and 0.4 mg/kg demonstrated both linear and quadratic increases in albumen height, Haugh unit, and yolk color in fresh eggs compared to the control group. Additionally, Se-chitosan contributed to enhanced shell thickness and strength, along with an increased Se concentration in the yolk. Se-chitosan supplementation at different levels linearly and quadratically reduced coliforms (COL) while increasing lactic acid bacteria (LAB)/coliform ratios (P < 0.05). Se-chitosan supplementation linearly and quadratically increased the total antibody response to sheep red blood cells (SRBC) and IgG titers (P < 0.05). It also linearly decreased the level of malondialdehyde in fresh and stored egg yolks and increased the activity of antioxidant enzymes catalase and glutathione peroxidase linearly, and superoxide dismutase (SOD) both linearly and quadratically in quail blood serum (P < 0.05). Additionally, supplementation of Se-chitosan at levels of 0.2 and 0.6 mg/kg linearly decreased the ∑ n-6 PUFA/∑ n-3 PUFA ratio in the yolk compared to the control group (P < 0.05). It can be concluded that incorporating Se-chitosan as a novel organic source of Se in the diet of laying quails can enhance production performance, egg quality, egg Se concentration, yolk lipid oxidation, microbial population, immune response, antioxidant enzyme activity, and yolk fatty acid profile.
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Affiliation(s)
- Morteza Asadi Lari
- Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Mohsen Afsharmanesh
- Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Mohammad Khajeh Bami
- Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, Iran
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Coulibaly F, Onbaşılar EE, Bakır B, Sarıçam İnce S. The effects of using UV light instead of formaldehyde in disinfection of hatching eggs on shell microbial load, embryo development, hatchability, and chick characteristics. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:2852-2862. [PMID: 37902059 DOI: 10.1080/09603123.2023.2276361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/23/2023] [Indexed: 10/31/2023]
Abstract
In this study, it was aimed to determine the effects of using UV light instead of formaldehyde in disinfection of hatching eggs on the microbial load, shell and yolk compositions, embryo development, hatching results and chick characteristics. 552 hatching eggs were divided into formaldehyde fumigation and disinfection with UV groups. After disinfection, bacteriological growth was not observed in groups. While the difference between the groups in terms of hatching results was insignificant, it was determined that the incubation period in the UV group was shorter than that of formaldehyde group. On the hatching day, relative chick weight and weight of bursa Fabricus were found to be higher in the UV group . UV light can be used as an alternative to formaldehyde as disinfection of hatching eggs because it is easy to use and does not cause any negative effects on egg shell structure, embryo development, hatching results and chick characteristics.
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Affiliation(s)
- Frantogoma Coulibaly
- Department of Animal Husbandry, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Esin Ebru Onbaşılar
- Department of Animal Husbandry, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
| | - Buket Bakır
- Department of Histology and Embryology, Faculty of Veterinary Medicine, Tekirdağ Namık Kemal University, Tekirdağ, Turkey
| | - Seyyide Sarıçam İnce
- Department of Microbiology, Faculty of Veterinary Medicine, Ankara University, Ankara, Turkey
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Mahmoud R, Salama B, Safhi FA, Pet I, Pet E, Ateya A. Assessing the Impacts of Different Levels of Nano-Selenium on Growth Performance, Serum Metabolites, and Gene Expression in Heat-Stressed Growing Quails. Vet Sci 2024; 11:228. [PMID: 38921975 PMCID: PMC11209059 DOI: 10.3390/vetsci11060228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/22/2024] [Accepted: 05/18/2024] [Indexed: 06/27/2024] Open
Abstract
Nano-minerals are employed to enhance mineral bioavailability thus promoting the growth and well-being of animals. In recent times, nano-selenium (nano-Se) has garnered significant attention within the scientific community owing to its potential advantages in the context of poultry. This study was conducted to explore the impact of using variable levels of nano-Se on the growth performance, carcass characteristics, serum constituents, and gene expression in growing Japanese quails under both thermoneutral and heat stress conditions. A randomized experimental design was used in a 2 × 3 factorial, with 2 environmental conditions (thermoneutral and heat stress) and 3 nano-Se levels (0, 0.2, and 0.5 mg/kg of diet. The findings revealed that heat stress negatively affected the growth and feed utilization of quails; indicated by the poor BWG and FCR. Additionally, oxidative stress was aggravated under heat stress condition; indicated by increased lipids peroxidation and decreased antioxidant enzymes activities. The addition of nano-Se, especially at the level of 0.2 mg/kg of diet, significantly improved the performance of heat stressed quails and restored blood oxidative status. The expression profile of inflammatory and antioxidant markers was modulated by heat stress and/or 0.2 and 0.5 nano-Se in conjunction with environmental temperature in quail groups. In comparison to the control group, the heat stress-exposed quails' expression profiles of IL-2, IL-4, IL-6, and IL-8 showed a notable up-regulation. Significantly lower levels of the genes for IL-2, IL-4, IL-6, and IL-8 and higher levels of the genes for SOD and GPX as compared to the heat stress group demonstrated the ameliorative impact of 0.2 nano-Se. The expression profiles of IL-2, IL-4, IL-6, and IL-8 are dramatically elevated in quails exposed to 0.5 nano-Se when compared to the control group. SOD and GPX markers, on the other hand, were markedly down-regulated. It was concluded that nano-Se by low level in heat stressed growing quails provides the greatest performance and its supplementation can be considered as a protective management practice in Japanese quail diets to reduce the negative impact of heat stress.
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Affiliation(s)
- Rania Mahmoud
- Department of Nutrition & Clinical Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Basma Salama
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Fatmah A. Safhi
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Ioan Pet
- Faculty of Bioengineering of Animal Resources, University of Life Sciences King Mihai I from Timisoara, 300645 Timisoara, Romania
| | - Elena Pet
- Faculty of Management and Rural Tourism, University of Life Sciences King Mihai I from Timisoara, Calea Aradului no.119, 30064 Timisoara, Romania;
| | - Ahmed Ateya
- Department of Development of Animal Wealth, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
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Reinoso-Maset E, Falk M, Bernhoft A, Ersdal C, Framstad T, Fuhrmann H, Salbu B, Oropeza-Moe M. Selenium Speciation Analysis Reveals Improved Antioxidant Status in Finisher Pigs Fed L-Selenomethionine, Alone or Combined with Sodium Selenite, and Vitamin E. Biol Trace Elem Res 2022:10.1007/s12011-022-03516-9. [PMID: 36577830 PMCID: PMC10350441 DOI: 10.1007/s12011-022-03516-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 12/02/2022] [Indexed: 12/30/2022]
Abstract
Conditions associated with selenium (Se) and/or vitamin E (VitE) deficiency are still being reported in high-yielding pigs fed the recommended amounts. Here, the dietary effects of Se source (sodium selenite, NaSe, 0.40 or 0.65 mg Se/kg; L-selenomethionine, SeMet, 0.19 or 0.44 mg Se/kg; a NaSe-SeMet mixture, SeMix, 0.44-0.46 mg Se/kg) and VitE concentration (27, 50-53 or 101 mg/kg) on the antioxidant status of finisher pigs were compared with those in pigs fed non-Se-supplemented diets (0.08-0.09 mg Se/kg). Compared to NaSe-enriched diets, SeMet-supplemented diets resulted in significantly (p < 0.0018) higher plasma concentrations of total Se (14-27%) and selenospecies (GPx3, SelP, SeAlb; 7-83%), significantly increased the total Se accumulation in skeletal muscles, myocardium, liver and brain (10-650%), and enhanced the VitE levels in plasma (15-74%) and tissues (8-33%) by the end of the 80-day trial, proving better Se distribution and retention in pigs fed organic Se. Injecting lipopolysaccharide (LPS) intravenously half-way into the trial provoked a pyrogenic response in the pigs followed by a rapid increase of inorganic Se after 5-12 h, a drastic drop of SeMet levels between 12 and 24 h that recovered by 48 h, and a small increase of SeCys by 24-48 h, together with a gradual rise of GPx3, SelP and SeAlb in plasma up to 48 h. These changes in Se speciation in plasma were particularly significant (0.0024 > p > 0.00007) in pigs receiving SeMet- (0.44 mg Se/kg, above EU-legislated limits) or SeMix-supplemented (SeMet and NaSe both at 0.2 mg Se/kg, within EU-legislated limits) diets, which demonstrates Se metabolism upregulation to counteract the LPS-induced oxidative stress and a strengthened antioxidant capacity in these pigs. Overall, a Se source combination (without exceeding EU-legislated limits) and sufficient VitE supplementation (≥ 50 mg/kg) improved the pigs' antioxidant status, while doubling the allowed dietary organic Se increased the Se in tissues up to sixfold without compromising the animal's health due to toxicity. This study renders valuable results for revising the current dietary SeMet limits in swine rations.
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Affiliation(s)
- Estela Reinoso-Maset
- Centre for Environmental Radioactivity CoE, Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Elizabeth Stephansens vei 31, 1433, Aas, Norway.
| | - Michaela Falk
- Norwegian Veterinary Institute, Svebastadveien 112, 4325, Sandnes, Norway
- Department of Production Animal Clinical Sciences (PRODMED), Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Svebastadveien 112, 4325, Sandnes, Norway
| | - Aksel Bernhoft
- Norwegian Veterinary Institute, Elizabeth Stephansens vei 1, 1433, Aas, Norway
| | - Cecilie Ersdal
- Department of Production Animal Clinical Sciences (PRODMED), Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Svebastadveien 112, 4325, Sandnes, Norway
| | - Tore Framstad
- Department of Production Animal Clinical Sciences (PRODMED), Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Elizabeth Stephansens vei 15, 1433, Aas, Norway
| | - Herbert Fuhrmann
- Institute of Physiological Chemistry, Faculty of Veterinary Medicine, University of Leipzig, 04103, Leipzig, Germany
| | - Brit Salbu
- Centre for Environmental Radioactivity CoE, Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Elizabeth Stephansens vei 31, 1433, Aas, Norway
| | - Marianne Oropeza-Moe
- Department of Production Animal Clinical Sciences (PRODMED), Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Svebastadveien 112, 4325, Sandnes, Norway
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Wu C, Song J, Li L, Jiang Y, Applegate TJ, Wu B, Liu G, Wang J, Lin Y, Zhang K, Li H, Wu F, Bai S. Protective effects of selenized yeast on the combination of cadmium-, lead-, mercury-, and chromium-induced toxicity in laying hens. Front Vet Sci 2022; 9:958056. [PMID: 36246320 PMCID: PMC9558123 DOI: 10.3389/fvets.2022.958056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
The objective of this study was to investigate the toxic effects of a combination of cadmium (Cd), lead (Pb), mercury (Hg), and chromium (Cr) on laying performance, egg quality, serum biochemical parameters, and oxidative stress of laying hens, as well as the alleviating action of dietary supplementation of selenized yeast. A total of 160 Lohmann pink-shell laying hens (63-week-old) were randomly divided into four treatments with 10 replicates of four hens each. The treatments were the corn–soybean meal basal diet (control; CON), the CON diet supplemented with 0.4 mg selenium (Se)/kg from selenized yeast (Se); combined heavy metals group: the basal diet supplemented with 5 mg Cd/kg, 50 mg Pb/kg, 3 mg Hg/kg, and 5 mg Cr/kg (HEM), and the HEM diet supplemented with 0.4 mg Se/kg from selenized yeast (HEM+Se). The experimental period lasted for 12 weeks. The HEM diet decreased hen-day egg production, feed conversion ratio (FCR), and egg white quality (P < 0.05), but increased (P < 0.05) glutamic oxalacetic transaminase (AST) activity in the serum. HEM induced higher malondialdehyde (MDA) and reactive oxygen species (ROS) in the serum, liver, and ovary and significantly decreased (P < 0.05) the activity of total superoxide dismutase (SOD) and tended to decrease glutathione S-transferase (GST) (P = 0.09) in the serum. Meanwhile, HEM significantly decreased (P < 0.05) activity of SOD, GST, glutathione peroxidase (GPX), and glutathione (GSH) in the liver, and the activity of GPX and GSH in the ovary. Se addition of 0.4 mg/kg significantly (P < 0.05) improved hen-day egg production and FCR and decreased AST concentration and increased some enzyme activity in the serum, liver, and ovary. In conclusion, dietary HEM exposure depressed laying performance, and egg white quality was likely due to an impaired antioxidant capacity, disrupted hepatic function, and elevated HEM accumulation in the egg yolk and egg white of laying hens. Se addition of 0.4 mg/kg ameliorated toxic effects of HEM on laying performance, oxidative stress, and hepatic function.
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Affiliation(s)
- Caimei Wu
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Jingping Song
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Lang Li
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Yuxuan Jiang
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Todd J. Applegate
- Department of Poultry Science, University of Georgia, Athens, GA, United States
| | - Bing Wu
- Chelota Biotechnology Co., Ltd., Deyang, China
| | - Guangmang Liu
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Jianping Wang
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Yan Lin
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Keying Zhang
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Hua Li
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Fali Wu
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Shiping Bai
- Key Laboratory for Animal Disease-Resistance Nutrition and Feedstuffs of China Ministry of Agriculture and Rural Affairs, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
- *Correspondence: Shiping Bai
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Pedro D, Rosa AP, Londero A, Forgiarini J, Branco T, Freitas HMDE, Giacomini CBS, Pilecco M. Performance of broiler breeders supplemented with organic and inorganic minerals. AN ACAD BRAS CIENC 2021; 93:e20191048. [PMID: 34259795 DOI: 10.1590/0001-3765202120191048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 11/07/2019] [Indexed: 11/22/2022] Open
Abstract
The present study aimed to evaluate the use of organic and inorganic minerals in Cobb500 broiler breeder diet and its effects on the performance. The birds were housed in an experimental house at Poultry Laboratory of the Federal University of Santa Maria with 20 floor pens of 4.61m2 each. The experiment was conducted between 51st and 65th weeks of age of birds. The design was completely randomized with four treatments and five pen replicates with 22 hens and 2 roosters each. The treatments evaluated were: PI=100% mineral inorganic premix; PO= 100% mineral organic premix: PI+PO= 70% mineral inorganic premix + 30% mineral organic premix and PI+Zn= 100% mineral inorganic premix, except zinc mineral, that was 70% inorganic form and 30% organic form. The following parameters of performance and egg quality were evaluated: laying rate, body weight, egg, albumen and yolk weight, yolk color and specific gravity of eggs. These parameters were performed one day per week throughout the experimental period to evaluated egg quality. Under the conditions and time that the experiment was conducted, the use of organic minerals had no significant effect on the performance and egg quality parameters evaluated in the broiler breeders.
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Affiliation(s)
- Douglas Pedro
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Alexandre P Rosa
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Angélica Londero
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Juliana Forgiarini
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Tatiane Branco
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Heleno M DE Freitas
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Camila B S Giacomini
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
| | - Márcio Pilecco
- Universidade Federal de Santa Maria, Departamento de Zootecnia, Laboratório de Avicultura, Avenida Roraima, 1000, 97105-900 Santa Maria, RS, Brazil
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Krisnan R, Retnani Y, Tangendjaja B, Mutia R, Jayanegara A, Wina E. The effect of different types of in ovo selenium injection on the immunity, villi surface area, and growth performance of local chickens. Vet World 2021; 14:1109-1115. [PMID: 34220110 PMCID: PMC8243682 DOI: 10.14202/vetworld.2021.1109-1115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 02/22/2021] [Indexed: 11/16/2022] Open
Abstract
Background and Aim The presence of free radicals may lower chicken's performance. Thus, the antioxidant defense is needed and can be made through a nutritional approach such as selenium supplementation before hatches. This study aimed to investigate the type of selenium that, as an in ovo feeding (IOF) material, can provide the most enhancement of immunity, villi surface area, and early growth performance of local chickens. Materials and Methods This study, with a completely randomized design, used 480 fertile Kampung Unggul Balitbangtan (KUB, a selected local breed) chicken eggs, with 120 eggs per treatment for four treatments. The four treatments of IOF material included the treatment with organic selenium yeast (SY), organic hydroxy-selenomethionine (HSM), inorganic sodium selenite (SS), and uninjected selenium (control). A solution containing 0.15 ppm of different selenium was injected into the egg amnion after 18 days of incubation. Once hatched, the chicks were placed in three individual cages for each treatment (capacity of eight birds per cage). The parameters observed were the villi surface area, antibody titer, the number of total and differentiated leucocytes, glutathione peroxidase (GSH-Px) activity levels, and growth and feed efficiency of the early growth performance. Results All the in ovo selenium feeding, except SS, significantly affected the villi surface area, antibody titer, and lymphocyte and heterophil percentages; however, the feedings were still not optimal for enhancing antibody titers and total and differentiated leukocytes. All types of selenium were demonstrated to increase the activity of GSH-Px significantly compared to the control treatment (p<0.05). Furthermore, the daily gain and feed conversion ratio of the groups treated with SY and HSM was significantly improved compared to that of the control group. Conclusion In ovo SY and HSM improve immunity significantly, villi surface areas and performance. Therefore, both types are the best nutrient ingredients of IOF for building immunity and producing good performance in chickens.
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Affiliation(s)
- Rantan Krisnan
- Study Program of Nutrition and Feed Science, Graduate School of IPB University, Bogor 16680, Indonesia.,Indonesian Research Institute for Animal Production, Bogor 16002, Indonesia
| | - Yuli Retnani
- Department of Nutrition and Feed Technology, Faculty of Animal Science, IPB University, Bogor 16680, Indonesia
| | - Budi Tangendjaja
- Indonesian Research Institute for Animal Production, Bogor 16002, Indonesia
| | - Rita Mutia
- Department of Nutrition and Feed Technology, Faculty of Animal Science, IPB University, Bogor 16680, Indonesia
| | - Anuraga Jayanegara
- Department of Nutrition and Feed Technology, Faculty of Animal Science, IPB University, Bogor 16680, Indonesia
| | - Elizabeth Wina
- Indonesian Research Institute for Animal Production, Bogor 16002, Indonesia
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Muhammad AI, Mohamed DAA, Chwen LT, Akit H, Samsudin AA. Effect of Sodium Selenite, Selenium Yeast, and Bacterial Enriched Protein on Chicken Egg Yolk Color, Antioxidant Profiles, and Oxidative Stability. Foods 2021; 10:foods10040871. [PMID: 33923439 PMCID: PMC8073331 DOI: 10.3390/foods10040871] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/05/2021] [Accepted: 04/10/2021] [Indexed: 12/11/2022] Open
Abstract
The chicken egg is one of nature's flawlessly preserved biological products, recognized as an excellent source of nutrients for humans. Selenium (Se) is an essential micro-element that plays a key role in biological processes. Organic selenium can be produced biologically by the microbial reduction of inorganic Se (sodium selenite). Therefore, the possibility of integrating Se enriched bacteria as a supplement in poultry feed can provide an interesting source of organic Se, thereby offering health-related advantages to humans. In this study, bacterial selenoproteins from Stenotrophomonas maltophilia was used as a dietary supplement with other Se sources in Lohman brown Classic laying hens to study the egg yolk color, egg yolk and breast antioxidant profile, oxidative stability, and storage effect for fresh and stored egg yolk at 4 ± 2 °C for 14-days. The results showed that dietary Se supplementation significantly (p < 0.05) improved egg yolk color, the antioxidant profile of egg yolk, and breast meat (total carotenoid and phenol content). When the Se treated groups were compared to control groups, there was a significant (p < 0.05) decrease in total cholesterol in fresh and stored egg yolk and breast muscle. In hens that were fed ADS18-Se, the primary oxidation products (MDA) concentrations in the eggs, breast, and thigh muscle, and plasma were significantly (p < 0.05) lower. However, the MDA content increased (p < 0.05) with an extended storage time in egg yolk. In comparison to inorganic Se and basal diets, egg yolk from hens fed organic Se remained fresh for two weeks. The egg yolk color, antioxidant profile, and oxidative status of egg yolk and tissue improve with dietary Se organic supplementation (ADS18 > Se-Yeast). The source of supplemented organic Se is critical for egg enrichment and antioxidant properties. As a result, ''functional eggs'' enriched with organic Se becomes possible to produce.
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Affiliation(s)
- Aliyu Ibrahim Muhammad
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (A.I.M.); (L.T.C.); (H.A.)
- Department of Animal Science, Faculty of Agriculture, Federal University Dutse, Dutse P.M.B. 7156, Jigawa State, Nigeria
| | - Dalia Abd Alla Mohamed
- Department of Animal Nutrition, Faculty of Animal Production, University of Khartoum, P.O. Box 321, Khartoum 11115, Sudan;
| | - Loh Teck Chwen
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (A.I.M.); (L.T.C.); (H.A.)
| | - Henny Akit
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (A.I.M.); (L.T.C.); (H.A.)
| | - Anjas Asmara Samsudin
- Department of Animal Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia; (A.I.M.); (L.T.C.); (H.A.)
- Correspondence: ; Tel.: +60-389474878; Fax: +63-89432954
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Oso AO, Lala OA, Oke EO, Williams GA, Taiwo AG, Ogunsola ZO. Effects of dietary supplementation with vitamin E, selenium yeast or both on egg incubation response, embryonic development, keet quality, and posthatch growth of helmeted guinea fowl breeders. Trop Anim Health Prod 2020; 52:2667-2675. [PMID: 32474755 DOI: 10.1007/s11250-020-02294-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 05/13/2020] [Indexed: 11/30/2022]
Abstract
This study investigated the effects of dietary supplementation with vitamin E (vit. E), selenium yeast (Se yeast), or both on egg incubation response, embryonic development, keet quality, and posthatch growth of helmeted guinea fowls. Two hundred and forty 24-week old helmeted guinea fowl hens (average weight 1.75 + 0.22 kg) and cocks (average weight 2.15 + 0.20 kg) were assigned into 24 pens; each pen housed 10 hens and 2 cocks. There were four dietary treatments consisting of a basal diet (control), basal diet supplemented with vit. E (30 IU/kg), Se yeast (0.3 mg/kg Se), or both. Six pens were assigned to each treatment. Egg incubation response were estimated using 504 settable eggs sampled from each treatment collected during 15 to 17 weeks in lay. A total of 72 fertile eggs sampled from each treatment were used for the estimation of embryonic development. Quality of day-old keets hatched was scored based on physical conditions, while posthatch growth was measured for 21 days. Guinea fowl breeders fed diet supplemented with both vit. E and Se yeast produced the highest (P < 0.05) number of fertile eggs, percentage fertility, number of hatchlings, hatchability of total eggs, and hatchability of fertile eggs. Supplementation with vit. E + Se yeast resulted in the heaviest (P < 0.05) embryo weight, relative embryo weight, least (P < 0.05) yolk sac weight, and relative yolk sac weight on 25 days of incubation. Hatchlings from breeders fed diet supplemented with Se yeast and vit. E + Se yeast showed normal swallowed yolk. Supplementation of maternal diet with vit. E, Se yeast, and vit. E + Se yeast resulted in improved (P < 0.05) feed conversion ratio of subsequent hatchlings during 1 to 7-day posthatch growth. It can be concluded that dietary supplementation of vit. E + Se yeast in guinea fowl breeders resulted in improved egg fertility, hatchability, heavier embryo weights, hatchlings of good quality, and improved posthatch growth during the first 7 days.
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Affiliation(s)
- A O Oso
- Department of Animal Nutrition, College of Animal Science and Livestock Production, Federal University of Agriculture, Abeokuta, PMB 2240, Nigeria.
| | - O A Lala
- Institute of Food Security, Environmental Resources and Agricultural Research, Federal University of Agriculture, Abeokuta, PMB 2240, Nigeria
| | - E O Oke
- Department of Animal Physiology, College of Animal Science and Livestock Production, Federal University of Agriculture, Abeokuta, PMB 2240, Nigeria
| | - G A Williams
- Department of Animal Nutrition, College of Animal Science and Livestock Production, Federal University of Agriculture, Abeokuta, PMB 2240, Nigeria
| | - A G Taiwo
- Department of Animal Nutrition, College of Animal Science and Livestock Production, Federal University of Agriculture, Abeokuta, PMB 2240, Nigeria
| | - Z O Ogunsola
- Department of Animal Nutrition, College of Animal Science and Livestock Production, Federal University of Agriculture, Abeokuta, PMB 2240, Nigeria
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10
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AVISHEK BISWAS, SHARMA DIVYA, ASITBARAN MANDAL. Laying performance, immune response, serum biochemical parameters and egg quality traits of female turkeys fed diet incorporated with organic selenium. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2020. [DOI: 10.56093/ijans.v90i2.98812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An experiment was conducted to investigate the effects of organic selenium (Se) supplementation on laying performance, immune response, serum biochemical parameters and egg quality traits of female turkeys. Female turkeys (96; 16 wks old) were randomly distributed into 4 treatment groups with 4 replicates and 6 birds each (4 × 4 × 6) for a period of 24 weeks. The basal diet (T1) contained 0 mg Se/kg diet and the three experimental diets were supplemented with 0.2, 0.4 and 0.6 mg Se/kg diet (T2, T3 and T4 respectively). Age at sexual maturity, egg number and egg weight differed significantly in 0.4 mg Se/kg treated group (T3) than the other dietary treatment groups (T2 or T4). Humoral (29th weeks) and in vivo cell mediated immune response (30th weeks) were significantly improved in 0.4 or 0.6 mg Se treated group. Se supplemented groups, i.e. T3 and T4 decreased significantly in serum cholesterol and uric acid concentration whereas significant increase were recorded in total protein, albumin and alkaline phosphatase (ALP). No significant differences were observed in serum aspartate amino transferase (AST) and alanine amino transferase (ALT) concentration among the experimental groups. Egg quality traits, viz. shape, albumin and yolk index, shell thickness did not differ significantly among Se supplemented groups, whereas albumin and yolk weight and Haugh unit score were significantly higher in 0.4 mg Se/kg treated (T3) group. Thus, this study demonstrates that that dietary supplementation of 0.4 mg/Se kg diet has a beneficial effect on laying performance, immune responses, serum biochemical and egg quality traits in laying turkeys.
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Babalar M, Mohebbi S, Zamani Z, Askari MA. Effect of foliar application with sodium selenate on selenium biofortification and fruit quality maintenance of 'Starking Delicious' apple during storage. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:5149-5156. [PMID: 31032929 DOI: 10.1002/jsfa.9761] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 04/10/2019] [Accepted: 04/20/2019] [Indexed: 05/22/2023]
Abstract
BACKGROUND Selenium (Se) is an essential micronutrient due to its anticarsinogenic properties and positive influence on human immune system. Fortification of some fruits based on their rates of consumption and availability all year round appears to be an effective way to supplement Se in the human diet. In this study the possibility of augmenting Se content in 'Starking Delicious' apple fruit during two growing seasons was investigated. In 2016, the impact of 0, 0.5, 1 and 1.5 mg Se L-1 by foliar application on Se accumulation and fruit ripening as well as quality attributes was investigated. In 2017, the effects of 1.5 mg Se L-1 foliar application on fruit Se content and changes in the antioxidant system and storability were studied with a 30-day interval during 6 months storage at 0 ± 1 °C. RESULTS Foliar application of Se significantly increased both leaf and fruit Se concentration. The increase in Se content enhanced the flesh firmness, titrable acidity, and soluble solid content of the fruit. The activities of antioxidant enzymes, superoxide dismutase (SOD), catalase (CAT), and ascorbate peroxidase (APX) were markedly amplified by Se treatments as compared to the control, resulting in lower superoxide anion radical (O2 -• ) and hydrogen peroxide (H2 O2 ) contents, correspondingly higher membrane integrity as revealed by lower ion leakage and malondialdehyde accumulation and the fruit with lower water core. CONCLUSION Application of Se was efficient in increasing fruit Se content and nutraceutical properties, retarding the flesh firmness reduction, and postponing fruit ripening resulting from lower ethylene biosynthesis rate, thereby positively affecting apple fruit quality and storability. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Mesbah Babalar
- Department of Horticultural Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
- Department of Horticultural Sciences, Faculty of Agriculture, University of Tehran, Karaj, Iran
| | - Sheida Mohebbi
- Department of Horticultural Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
- Department of Horticultural Sciences, Faculty of Agriculture, University of Tehran, Karaj, Iran
| | - Zabihollah Zamani
- Department of Horticultural Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
- Department of Horticultural Sciences, Faculty of Agriculture, University of Tehran, Karaj, Iran
| | - Mohammad A Askari
- Department of Horticultural Science, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
- Department of Horticultural Sciences, Faculty of Agriculture, University of Tehran, Karaj, Iran
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Luo M, Huang S, Zhang J, Zhang L, Mehmood K, Jiang J, Zhang N, Zhou D. Effect of selenium nanoparticles against abnormal fatty acid metabolism induced by hexavalent chromium in chicken's liver. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:21828-21834. [PMID: 31134545 DOI: 10.1007/s11356-019-05397-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Accepted: 05/06/2019] [Indexed: 06/09/2023]
Abstract
The effect of selenium on excessive fatty acid-induced apoptosis and abnormal amino acid metabolism in the liver is well known, because it is an important site in the fatty acid metabolism pathway. However, the protective role of nano-elemental selenium (nano-Se) supplementation against hexavalent chromium (K2Cr2O7)-induced abnormal fatty acid metabolism has not been evaluated yet. Therefore, we conducted chicken experiments with different nano-Se supplementation doses to investigate the role of nano-Se against Cr(VI)-induced adverse effects. For this purpose, a total of 120 1-day-old chicks were randomly divided into control group, Cr(VI)-exposed group, protection group, treatment group, prevention group, and nano-Se control group. The results of RT-qPCR showed that the nano-Se supplementation notably downregulated (P < 0.01) the messenger RNA (mRNA) expression levels of fatty acid synthase (FASN), whereas nano-Se supplementation significantly upregulated (P < 0.01) the mRNA expression level of acyl-coenzyme A oxidase 1 (ACOX1) in chicken's liver at day 35 of the experiment. Similar results were further verified by western blot analysis. Moreover, nano-Se supplementation significantly enhanced and reduced the antibody expression levels of ACOX1 and FASN in immunohistochemical analysis, respectively. Thus, finally, it was concluded that nano-Se can alleviate K2Cr2O7-induced abnormal fatty acid metabolism in chicken's liver.
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Affiliation(s)
- Min Luo
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Shucheng Huang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450002, People's Republic of China
| | - Jialu Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Lihong Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Khalid Mehmood
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
- University College of Veterinary and Animal Sciences, Islamia University of Bahawalpur, Bahawalpur, Punjab, 63100, Pakistan
| | - Jinhuan Jiang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Niya Zhang
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China
| | - Donghai Zhou
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, People's Republic of China.
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Wang G, Liu L, Wang Z, Pei X, Tao W, Xiao Z, Liu B, Wang M, Lin G, Ao T. Comparison of Inorganic and Organically Bound Trace Minerals on Tissue Mineral Deposition and Fecal Excretion in Broiler Breeders. Biol Trace Elem Res 2019; 189:224-232. [PMID: 30062463 DOI: 10.1007/s12011-018-1460-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 07/24/2018] [Indexed: 01/10/2023]
Abstract
This study investigated the effects of replacement of inorganic trace minerals (ITMs) by organic trace minerals (OTMs) on tissue mineral retention and fecal excretion in "Zhen Ning" yellow feather broiler breeders. Six hundred hens (initial BW: 1.70 ± 0.07 kg) aged 40 weeks were randomly divided into five treatments, with four replicates of 30 broiler breeders each. Experimental treatments were as follows: (1) ITM (Cu, Zn, Fe, Mn, Se providing commercially recommended concentrations), (2) L-ITM (50% of the ITM, except for Se), (3) VL-OTM (37.5% of the ITM, except for Se), (4) L-OTM (equivalent to L-ITM), and (5) OTM (62.5% of the ITM, except for Se). The duration of the study was 10 weeks including 2 weeks for adaptation. Compared with the L-ITM treatment, high-level supplementation of minerals in ITM and OTM increased the concentration of serum Mn and Se, pectoral Fe and pancreas Cu, and Fe (P < 0.05). Birds fed with OTM dietary exhibited comparable mineral retention in muscle compared with ITM. Differences were observed between L-ITM and L-OTM in serum Mn and Se, pectoral Fe, Zn, and Se, and heart Se with L-OTM retaining higher mineral concentrations than L-ITM (P < 0.05). L-OTM retained identical concentration with ITM treatment, except for the pancreatic Fe. All three organic diets reduced the Zn in excreta compared with the two inorganic diets (P < 0.05). This study indicates that replacement of dietary ITMs by OTMs improved mineral deposition in tissues and reduced fecal mineral excretion in broiler breeders under the conditions of this study.
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Affiliation(s)
- Geng Wang
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Zhejiang University, Hangzhou, China
| | - Lujie Liu
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Zhejiang University, Hangzhou, China
| | - Zhongpei Wang
- Ninghai Animal Husbandry and Veterinary Bureau, Ninghai, Zhejiang, China
| | - Xun Pei
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Zhejiang University, Hangzhou, China
| | - Wenjing Tao
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Zhejiang University, Hangzhou, China
| | - Zhiping Xiao
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Zhejiang University, Hangzhou, China
| | - Bojing Liu
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Zhejiang University, Hangzhou, China
| | - Minqi Wang
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China.
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Zhejiang University, Hangzhou, China.
| | - Gang Lin
- Alltech Biological Products (china) Co., Ltd, Beijing, China
| | - Tuoying Ao
- Center for Animal Nutrigenomics & Applied Animal Nutrition, Alltech Inc, Nicholasville, KY, USA
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14
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Kieliszek M, Błażejak S, Bzducha-Wróbel A, Kot AM. Effect of Selenium on Lipid and Amino Acid Metabolism in Yeast Cells. Biol Trace Elem Res 2019; 187:316-327. [PMID: 29675568 PMCID: PMC6315055 DOI: 10.1007/s12011-018-1342-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 04/09/2018] [Indexed: 12/27/2022]
Abstract
This article discusses the effect of selenium in aqueous solutions on aspects of lipid and amino acid metabolism in the cell biomass of Saccharomyces cerevisiae MYA-2200 and Candida utilis ATCC 9950 yeasts. The yeast biomass was obtained by using waste products (potato wastewater and glycerol). Selenium, at a dose of 20 mg/L of aqueous solution, affected the differentiation of cellular morphology. Yeast enriched with selenium was characterized by a large functional diversity in terms of protein and amino acid content. The protein content in the biomass of S. cerevisiae enriched with selenium (42.6%) decreased slightly as compared to that in the control sample without additional selenium supplementation (48.4%). Moreover, yeasts of both strains enriched with selenium contained a large amount of glutamic acid, aspartic acid, lysine, and leucine. Analysis of fatty acid profiles in S. cerevisiae yeast supplemented with selenium showed an increase in the unsaturated fatty acid content (e.g., C18:1). The presence of margaric acid (C17:0) and hexadecanoic acid (C17:1) was found in the C. utilis biomass enriched with selenium, in contrast to that of S. cerevisiae. These results indicate that selenium may induce lipid peroxidation, which consequently affects the loss of integrity of the cytoplasmic membrane. Yeast enriched with selenium with optimal amino acid and lipid composition can be used to prepare a novel formula of dietary supplements, which can be applied directly to various diets for both humans and animals.
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Affiliation(s)
- Marek Kieliszek
- Faculty of Food Sciences, Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159 C, 02-776, Warsaw, Poland.
| | - Stanisław Błażejak
- Faculty of Food Sciences, Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159 C, 02-776, Warsaw, Poland
| | - Anna Bzducha-Wróbel
- Faculty of Food Sciences, Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159 C, 02-776, Warsaw, Poland
| | - Anna M Kot
- Faculty of Food Sciences, Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159 C, 02-776, Warsaw, Poland
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Cemin H, Vieira S, Stefanello C, Kindlein L, Ferreira T, Fireman A. Broiler responses to increasing selenium supplementation using Zn-L-selenomethionine with special attention to breast myopathies. Poult Sci 2018; 97:1832-1840. [DOI: 10.3382/ps/pey001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Indexed: 12/27/2022] Open
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16
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Surai PF, Kochish II, Fisinin VI, Velichko OA. Selenium in Poultry Nutrition: from Sodium Selenite to Organic Selenium Sources. J Poult Sci 2017; 55:79-93. [PMID: 32055160 PMCID: PMC6756489 DOI: 10.2141/jpsa.0170132] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Accepted: 11/07/2017] [Indexed: 12/24/2022] Open
Abstract
Selenium (Se) is an essential element in poultry nutrition and its bio-efficacy depends on its chemical form. A growing body of research proves that organic forms of Se, mainly selenomethionine (SeMet), in poultry diets have a range of important advantages over traditional sodium selenite. In fact, the organic Se concept considers SeMet as a storage form of Se in the chicken body. As chickens are not able to synthesize SeMet, its provision through diet is a key strategy to fight commercially relevant stresses. Indeed, in stress conditions, when increased selenoprotein expression requires additional Se, while its provision via feed usually decreases due to a reduction in feed consumption, Se reserves in the body (mainly in the muscles) could help maintain an effective antioxidant defense and prevent detrimental consequences of stresses. The poultry industry is looking for the most effective sources of organic Se for commercial use. In this review, advantages and disadvantages of main organic Se sources for poultry (Se-yeast, SeMet, and OH-SeMet) are analyzed, and future directions for the development of new Se sources are identified.
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Affiliation(s)
- Peter F. Surai
- Department of Microbiology and Biochemistry, Faculty of Veterinary Medicine, Trakia University, Stara Zagora 6000, Bulgaria
- Moscow State Academy of Veterinary Medicine and Biotechnology named after K.I. Skryabin, Moscow, 109472, Russia
- Department of Animal Nutrition, Faculty of Agricultural and Environmental Sciences, Szent Istvan University, Gödöllo H-2103, Hungary
| | - Ivan I. Kochish
- Moscow State Academy of Veterinary Medicine and Biotechnology named after K.I. Skryabin, Moscow, 109472, Russia
| | | | - Oksana A. Velichko
- Department of Ecology and Genetics, Tyumen State University, Tyumen, 625003, Russia
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17
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Abdo SE, El-Kassas S, El-Nahas AF, Mahmoud S. Modulatory Effect of Monochromatic Blue Light on Heat Stress Response in Commercial Broilers. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:1351945. [PMID: 28698764 PMCID: PMC5494062 DOI: 10.1155/2017/1351945] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Revised: 03/11/2017] [Accepted: 04/12/2017] [Indexed: 12/13/2022]
Abstract
In a novel approach, monochromatic blue light was used to investigate its modulatory effect on heat stress biomarkers in two commercial broiler strains (Ross 308 and Cobb 500). At 21 days old, birds were divided into four groups including one group housed in white light, a second group exposed to blue light, a 3rd group exposed to white light + heat stress, and a 4th group exposed to blue light + heat stress. Heat treatment at 33°C lasted for five h for four successive days. Exposure to blue light during heat stress reduced MDA concentration and enhanced SOD and CAT enzyme activities as well as modulated their gene expression. Blue light also reduced the degenerative changes that occurred in the liver tissue as a result of heat stress. It regulated, though variably, liver HSP70, HSP90, HSF1, and HSF3 gene expression among Ross and Cobb chickens. Moreover, the Cobb strain showed better performance than Ross manifested by a significant reduction of rectal temperature in the case of H + B. Furthermore, a significant linear relationship was found between the lowered rectal temperature and the expression of all HSP genes. Generally, the performance of both strains by most assessed parameters under heat stress is improved when using blue light.
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Affiliation(s)
- Safaa E. Abdo
- Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Shaikh, Egypt
| | - Seham El-Kassas
- Department of Animal Wealth Development, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Shaikh, Egypt
| | - Abeer F. El-Nahas
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Shawky Mahmoud
- Department of Physiology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafr El-Shaikh, Egypt
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A comparison of fat-soluble antioxidants in wild and farm-reared chukar partridges (Alectoris chukar). Comp Biochem Physiol A Mol Integr Physiol 2017; 208:89-94. [PMID: 28359879 DOI: 10.1016/j.cbpa.2017.03.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 02/17/2017] [Accepted: 03/23/2017] [Indexed: 11/22/2022]
Abstract
This study assessed differences in antioxidant (carotenoid, retinol, retinol-ester, vitamin E and coenzyme Q10) composition of egg yolk and tissue in chukar partridges (Alectoris chukar) newly hatched from eggs of birds maintained in captivity on commercial maize-soybean based diets and birds from the wild whose diet was obtained from the natural environment. All eggs were incubated in a commercial hatchery. Day-old chicks from both groups were sacrificed and dissected for antioxidant analysis. Fat soluble antioxidant concentrations of egg yolk and tissues were determined by HPLC. Total carotenoids, retinol, alpha-tocopherol, and total vitamin E concentration of wild egg yolks were significantly higher compared to yolks from farm-reared birds (p<0.05). However, gamma tocopherol, and coenzyme Q10 were not significantly different in the yolks of either wild or farmed birds (p>0.05). The concentration of total carotenoids in all tissues of wild chukar one-day old partridges was significantly higher than in farmed one-day old chukar partridge tissues (p<0.05). Alpha tocopherol, free-retinol, retinol-esters and total vitamin A were significantly higher in most tissues of wild chukar when compared to farmed chicks (p<0.05). Coenzyme Q10 concentrations of heart, kidney and brain tissues of farm-reared chukar day old chicks were significantly higher than tissues from wild birds, although leg and breast tissues of wild chicks were significantly higher than in farmed birds (p<0.05). These findings suggest that maternal access to antioxidants in the diet of farmed chukar partridges could positively influence fat soluble antioxidant concentrations in the egg yolk and tissues of day old chicks.
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Hargitai R, Nagy G, Nyiri Z, Bervoets L, Eke Z, Eens M, Török J. Effects of breeding habitat (woodland versus urban) and metal pollution on the egg characteristics of great tits (Parus major). THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 544:31-38. [PMID: 26657247 DOI: 10.1016/j.scitotenv.2015.11.116] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 11/11/2015] [Accepted: 11/23/2015] [Indexed: 06/05/2023]
Abstract
In an urban environment, birds are exposed to metals, which may accumulate in their tissues and cause oxidative stress. Female birds may eliminate these pollutants through depositing them into eggs, thus eggs become suitable bioindicators of pollution. In this study, we aimed to analyse whether eggshell spotting pattern, egg volume, eggshell thickness and egg yolk antioxidant (lutein, tocopherol, retinol and selenium) levels were related to the breeding area (woodland versus urban) and the metal levels in the eggshell of a small passerine species, the great tit (Parus major). In the urban habitat, soil and eggshells contained higher concentrations of metals, and soil calcium level was also higher than that in the woodland. Eggshell spotting intensity and egg volume did not differ between eggs laid in the woodland and the urban park, and these traits were not related to the metal levels of the eggshell, suggesting that these egg characteristics are not sensitive indicators of metal pollution. A more aggregated eggshell spotting distribution indicated a higher Cu concentration of the eggshell. We found that eggshells were thinner in the less polluted woodland habitat, which is likely due to the limited Ca availability of the woodland area. Great tit eggs laid in the urban environment had lower yolk lutein, retinol and selenium concentrations, however, as a possible compensation for these lower antioxidant levels, urban females deposited more tocopherol into the egg yolk. It appears that females from different breeding habitats may provide similar antioxidant protection for their offspring against oxidative damage by depositing different specific dietary antioxidants. Egg yolk lutein and retinol levels showed a negative relationship with lead concentration of the eggshell, which may suggest that lead had a negative impact on the amount of antioxidants available for embryos during development in great tits.
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Affiliation(s)
- Rita Hargitai
- Behavioural Ecology Group, Department of Systematic Zoology and Ecology, Eötvös Loránd University, Pázmány P. st. 1/C, H-1117 Budapest, Hungary.
| | - Gergely Nagy
- Behavioural Ecology Group, Department of Systematic Zoology and Ecology, Eötvös Loránd University, Pázmány P. st. 1/C, H-1117 Budapest, Hungary
| | - Zoltán Nyiri
- Joint Research and Training Laboratory on Separation Techniques, Eötvös Loránd University, Pázmány P. st. 1/A, H-1117 Budapest, Hungary
| | - Lieven Bervoets
- Systemic Physiological and Ecotoxicological Research Laboratory, University of Antwerp, Groenenborgerlaan 171/U7, B-2020 Antwerp, Belgium
| | - Zsuzsanna Eke
- Joint Research and Training Laboratory on Separation Techniques, Eötvös Loránd University, Pázmány P. st. 1/A, H-1117 Budapest, Hungary
| | - Marcel Eens
- Ethology Research Group, Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk, Belgium
| | - János Török
- Behavioural Ecology Group, Department of Systematic Zoology and Ecology, Eötvös Loránd University, Pázmány P. st. 1/C, H-1117 Budapest, Hungary
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Chauhan SS, Liu F, Leury BJ, Cottrell JJ, Celi P, Dunshea FR. Functionality and genomics of selenium and vitamin E supplementation in ruminants. ANIMAL PRODUCTION SCIENCE 2016. [DOI: 10.1071/an15263] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Selenium (Se) and vitamin E are essential micronutrients for animal health and production. The major function of both Se and vitamin E is to prevent the oxidative damage of biological membranes and they can influence growth, reproduction, immune function, health, and product quality in ruminants. Both Se and vitamin E are important for maintaining low cellular and systemic concentrations of reactive oxygen species and lipid hydroperoxides, to ensure optimum cellular function. Discovery of various selenoproteins and vitamin E-responsive genes has contributed significantly to improving our understanding about multiple functions of Se and vitamin E. There is evidence that these functions extend beyond the classical antioxidant properties to immunomodulation and intracellular cell signalling and gene regulation. Research in recent years has also shown that supranutritional supplementation of Se and vitamin E is required to improve the performance of ruminants under certain stressful conditions such as heat stress and during transition period. Considering the growing awareness among consumers of the benefits of antioxidant-rich food, there is a great opportunity for the livestock industries to focus on producing antioxidant-enriched milk and meat products or functional foods. The present review focuses on the recent developments in understanding multiple functions of Se and vitamin E at the cellular and molecular level and the effects of supranutritional supplementation on ruminant performance. In addition, the paper also articulates the potential opportunities to produce functional foods enriched with antioxidants, and underlines the need for optimum supplementation of these micronutrients for efficient ruminant production.
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Couloigner F, Jlali M, Briens M, Rouffineau F, Geraert PA, Mercier Y. Selenium deposition kinetics of different selenium sources in muscle and feathers of broilers. Poult Sci 2015; 94:2708-14. [DOI: 10.3382/ps/pev282] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Poławska E, Zdanowska-Sąsiadek Ż, Horbańczuk J, Pomianowski JF, Jóźwik A, Tolik D, Raes K, De Smet S. Effect of dietary organic and inorganic selenium supplementation on chemical, mineral and fatty acid composition of ostrich meat. CYTA - JOURNAL OF FOOD 2015. [DOI: 10.1080/19476337.2015.1046940] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Zhang L, Wang Y, Zhou Y, Zheng L, Zhan X, Pu Q. Different sources of maternal selenium affect selenium retention, antioxidant status, and meat quality of 56-day-old offspring of broiler breeders. Poult Sci 2014; 93:2210-9. [DOI: 10.3382/ps.2013-03605] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Brandt-Kjelsen A, Govasmark E, Haug A, Salbu B. Turnover of Se in adequately fed chickens using Se-75 as a tracer. J Anim Physiol Anim Nutr (Berl) 2013; 98:547-58. [PMID: 24033565 DOI: 10.1111/jpn.12111] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Accepted: 07/10/2013] [Indexed: 01/12/2023]
Abstract
Inorganic selenium (Se) in the form of selenite is applied to livestock to avoid Se deficiency. Selenite is, however, an artificial Se source in diets of unsupplemented chickens. It is therefore hypothesized that organic Se sources, such as Se-enriched yeast and wheat, could be a more suitable Se supply in animal nutrition, although information on the transition of Se from organic Se sources in fast-growing chickens is scarce. In this work, chickens were fed a low Se diet (0.27 ± 0.01 mg Se/kg, Se-enriched yeast) until 20 days of age, after which the Se concentration was increased to maximum concentration allowed by the poultry industry in Europe (0.5 p.p.m. Se). At the same time, a daily contribution of carrier-free (75)Se tracer from labelled wheat was administered from day 20 to 27. The chickens showed S and Se homeostasis, as the concentration of S and Se in liver, blood or kidney remained about constant, and steady state of S and Se in the other organs was reached 1 day after the diet shift. The uptake of (75)Se was readily seen in all organs. After 1 week, the depuration of the (75)Se tracer was followed, and biological half-lives and retention in individual organs were determined. The shortest biological half-lives were observed in major metabolic organs, the liver, kidney and pancreas with half-lives close to 4 days. There was a significant (p < 0.05) uptake in lung, brain and muscle that reached steady state when the administration of (75)Se was terminated. The half-life of (75)Se in heart was 9 days and 7 days in blood. The longest half-lives were observed in muscle (12 days), brain and lungs (13 days). All half-lives were shorter than in Se deplete animals.
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Affiliation(s)
- A Brandt-Kjelsen
- Department of Plant and Environmental Sciences, Norwegian University of Life Sciences, Aas, Norway
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Sun Q, Guo Y, Ma S, Yuan J, An S, Li J. Dietary mineral sources altered lipid and antioxidant profiles in broiler breeders and posthatch growth of their offsprings. Biol Trace Elem Res 2012; 145:318-24. [PMID: 21912962 DOI: 10.1007/s12011-011-9196-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Accepted: 08/30/2011] [Indexed: 10/17/2022]
Abstract
The aim of this study was to investigate the influence of mineral sources on broiler breeders and their offsprings. Broiler breeding hens were fed with diets containing either organic or inorganic trace minerals at equal levels, i.e., (1) control group was fed with basal diet supplemented with inorganic trace minerals; (2) OZ group was fed with organic Zn instead of sulfate; and (3) OTM group was fed with organic Cu, Mn, Zn, and Se instead of inorganic sources. Results indicated that OTM supplementation decreased plasma cholesterol and triglyceride and increased yolk triglyceride via increasing high-density lipid protein cholesterol and decreasing low-density lipid protein cholesterol and very low-density lipid protein (VLDL) in plasma. OZ diets decreased plasma cholesterol and triglyceride mainly by reducing VLDL concentration. For control group, increased lipid concentrations resulted in increased lipid peroxidation in serum and malondialdehyde retention in yolk. Zn retention was not affected. Otherwise, OZ diet was observed to decrease Cu in yolk and albumen. While for OTM group, albumen Cu, albumen Se, and hepatic Se of hatched chicks were increased, but yolk Cu was decreased. Moreover, organic mineral supplementations improved broilers' growth performance. In conclusion, organic mineral supplementation in breeders' diets protected breeders from lipid peroxidation, increased egg nutrition retention, and benefit for growth of broilers.
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Affiliation(s)
- Qiujuan Sun
- The State Key Lab of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
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Malinouski M, Kehr S, Finney L, Vogt S, Carlson BA, Seravalli J, Jin R, Handy DE, Park TJ, Loscalzo J, Hatfield DL, Gladyshev VN. High-resolution imaging of selenium in kidneys: a localized selenium pool associated with glutathione peroxidase 3. Antioxid Redox Signal 2012; 16:185-92. [PMID: 21854231 PMCID: PMC3234661 DOI: 10.1089/ars.2011.3997] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2011] [Revised: 08/19/2011] [Accepted: 08/19/2011] [Indexed: 10/17/2022]
Abstract
AIM Recent advances in quantitative methods and sensitive imaging techniques of trace elements provide opportunities to uncover and explain their biological roles. In particular, the distribution of selenium in tissues and cells under both physiological and pathological conditions remains unknown. In this work, we applied high-resolution synchrotron X-ray fluorescence microscopy (XFM) to map selenium distribution in mouse liver and kidney. RESULTS Liver showed a uniform selenium distribution that was dependent on selenocysteine tRNA([Ser]Sec) and dietary selenium. In contrast, kidney selenium had both uniformly distributed and highly localized components, the latter visualized as thin circular structures surrounding proximal tubules. Other parts of the kidney, such as glomeruli and distal tubules, only manifested the uniformly distributed selenium pattern that co-localized with sulfur. We found that proximal tubule selenium localized to the basement membrane. It was preserved in Selenoprotein P knockout mice, but was completely eliminated in glutathione peroxidase 3 (GPx3) knockout mice, indicating that this selenium represented GPx3. We further imaged kidneys of another model organism, the naked mole rat, which showed a diminished uniformly distributed selenium pool, but preserved the circular proximal tubule signal. INNOVATION We applied XFM to image selenium in mammalian tissues and identified a highly localized pool of this trace element at the basement membrane of kidneys that was associated with GPx3. CONCLUSION XFM allowed us to define and explain the tissue topography of selenium in mammalian kidneys at submicron resolution.
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Affiliation(s)
- Mikalai Malinouski
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massaachusetts
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Sebastian Kehr
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Lydia Finney
- X-ray Science Division, Argonne National Laboratory, Argonne, Illinois
- Biosciences Division, Argonne National Laboratory, Argonne, Illinois
| | - Stefan Vogt
- X-ray Science Division, Argonne National Laboratory, Argonne, Illinois
| | - Bradley A. Carlson
- Molecular Biology of Selenium Section, Laboratory of Cancer Prevention, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Javier Seravalli
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Richard Jin
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massaachusetts
| | - Diane E. Handy
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massaachusetts
| | - Thomas J. Park
- Department of Biological Sciences, University of Illinois, Chicago, Illinois
| | - Joseph Loscalzo
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massaachusetts
| | - Dolph L. Hatfield
- Molecular Biology of Selenium Section, Laboratory of Cancer Prevention, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Vadim N. Gladyshev
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massaachusetts
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Bou R, Codony R, Tres A, Decker EA, Guardiola F. Dietary strategies to improve nutritional value, oxidative stability, and sensory properties of poultry products. Crit Rev Food Sci Nutr 2010; 49:800-22. [PMID: 20443160 DOI: 10.1080/10408390902911108] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Consumers demand both safer and more nutritious food products exempt of non-natural origin preservatives or other food additives. In this frame, products with lower fat content and/or a higher ratio in unsaturated fatty acids, especially n-3 fatty acids, are desired because these lipids can help prevent the development of cardiovascular and inflammatory pathologies. The intake of meat products is of interest because they are an excellent source of vitamins and minerals. In addition, the shelf-life of meat products can be extended by the presence of natural antioxidants coming from different sources such as plant extracts. Therefore, different strategies have been studied to improve the nutritional value, oxidative stability, and sensory characteristics of meat products and eggs through different mineral and natural dietary supplements. In comparison to other strategies, dietary supplements present the advantage that first the living animals may efficiently distribute the compounds throughout the tissues and second, the dietary supplementation is safer because the resulting enriched meat products and eggs ensure tolerable amounts in humans. Poultry meats and eggs are widely consumed and their fatty acid profile and tocopherol content can be easily modified through different dietary strategies thus being excellent models to improve their nutritional value and oxidative stability.
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Affiliation(s)
- Ricard Bou
- Nutrition and Food Science Department-XaRTA-INSA, Faculty of Pharmacy, University of Barcelona, Barcelona, Spain. ricard
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Fisinin VI, Papazyan TT, Surai PF. Producing selenium-enriched eggs and meat to improve the selenium status of the general population. Crit Rev Biotechnol 2009; 29:18-28. [PMID: 19514900 DOI: 10.1080/07388550802658030] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The role of selenium (Se) in human health and diseases has been discussed in detail in several recent reviews, with the main conclusion being that selenium deficiency is recognised as a global problem which urgently needs resolution. Since selenium content in plant-based food depends on its availability from soil, the level of this element in food and feeds varies among regions. In general, eggs and meat are considered to be good sources of selenium in human diet. When considering ways to improve human selenium intake, there are several potential options. These include direct supplementation, soil fertilisation and supplementation of food staples such as flour, and production of functional foods. Analysing recent publications related to functional food production, it is evident that selenium-enriched eggs can be used as an important delivery system of this trace mineral for humans. In particular, developments and commercialisation of organic forms of selenium have initiated a new era in the availability of selenium-enriched products. It has been shown that egg selenium content can easily be manipulated to give increased levels, especially when organic selenium is included in hens' diet at levels that provide 0.3-0.5 mg/kg selenium in the feed. As a result, technology for the production of eggs delivering approximately 50% (30-35 microg) of the human selenium RDA have been developed and successfully tested. Currently companies all over the world market selenium-enriched eggs including the UK, Ireland, Mexico, Columbia, Malaysia, Thailand, Australia, Turkey, Russia and the Ukraine. Prices for enriched eggs vary from country to country, typically being similar to free-range eggs. Selenium-enriched chicken, pork and beef can also be produced when using organic selenium in the diet of poultry and farm animals. The scientific, technological and other advantages and limitations of producing designer/modified eggs as functional foods are discussed in this review.
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Özkan S, Malayoğlu HB, Yalçin S, Karadaş F, Koçtürk S, çabuk M, Oktay G, Özdemir S, Özdemir E, Ergül M. Dietary vitamin E (α-tocopherol acetate) and selenium supplementation from different sources: performance, ascites-related variables and antioxidant status in broilers reared at low and optimum temperatures. Br Poult Sci 2007; 48:580-93. [DOI: 10.1080/00071660701593951] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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