Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress
ABSTRACT This experiment evaluated the influence of chromium (Cr) and vitamin E (VitE) supplementation on the performance, glucose levels, thyroid hormone levels, immune and oxidative response, and 70 kilodalton heat shock protein (HSP70) mRNA expression of broilers under heat stress (HS). Male chic...
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| Language: | English |
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Fundação APINCO de Ciência e Tecnologia Avícolas
2025-01-01
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| Series: | Brazilian Journal of Poultry Science |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2024000400313&lng=en&tlng=en |
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| author | ML X Júnior RD Bernardes CH Oliveira KMM Dias BF Almeida SO Borges FS Dalólio KM Gomes CJ Rodrigues AA Calderano |
| author_facet | ML X Júnior RD Bernardes CH Oliveira KMM Dias BF Almeida SO Borges FS Dalólio KM Gomes CJ Rodrigues AA Calderano |
| author_sort | ML X Júnior |
| collection | DOAJ |
| description | ABSTRACT This experiment evaluated the influence of chromium (Cr) and vitamin E (VitE) supplementation on the performance, glucose levels, thyroid hormone levels, immune and oxidative response, and 70 kilodalton heat shock protein (HSP70) mRNA expression of broilers under heat stress (HS). Male chickens (n = 768, 22 days old) were randomly assigned to a 4x3 factorial with 4 Cr levels (0, 500, 1000, and 1500 ppb) and 3 VitE levels (0, 150, and 300 mg/kg), totaling 12 treatments with 8 replicates and 8 birds per experimental unit. Performance, glucose levels, thyroid hormone levels, heterophil-to-lymphocyte (H:L) ratio, malondialdehyde (MDA) in muscle, relative weight of lymphoid organs, and HSP70 mRNA expression were measured. VitE at 150 mg/kg improved FI and BWG (p ≤ 0.05). The combination of Cr 1500 ppb and VitE 150 mg/kg reduced FCR (p ≤ 0.05). Cr and VitE had single effects on glucose levels (p ≤ 0.05) and their interaction influenced thyroid hormone levels (p ≤ 0.05). Cr 1500 ppb with VitE 300 mg/kg lowered the H:L ratio and HSP70 mRNA expression (p ≤ 0.05). VitE at 300 mg/kg increased spleen relative weight (p ≤ 0.05). Cr supplementation reduced MDA concentrations (p ≤ 0.05). In conclusion, Cr and VitE, individually or combined, benefitted performance, glucose and thyroid hormone levels, immune and oxidative response, and heat stress tolerance. |
| format | Article |
| id | doaj-art-3ee0b66fd84f4333b03cc65d93f185b1 |
| institution | Kabale University |
| issn | 1806-9061 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Fundação APINCO de Ciência e Tecnologia Avícolas |
| record_format | Article |
| series | Brazilian Journal of Poultry Science |
| spelling | doaj-art-3ee0b66fd84f4333b03cc65d93f185b12025-01-21T07:37:31ZengFundação APINCO de Ciência e Tecnologia AvícolasBrazilian Journal of Poultry Science1806-90612025-01-0126410.1590/1806-9061-2024-1967Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat StressML X Júniorhttps://orcid.org/0000-0002-0621-8655RD Bernardeshttps://orcid.org/0000-0001-7013-0650CH Oliveirahttps://orcid.org/0000-0001-8054-5550KMM Diashttps://orcid.org/0000-0002-1757-3011BF Almeidahttps://orcid.org/0000-0003-1894-0562SO Borgeshttps://orcid.org/0000-0002-7695-7760FS Dalóliohttps://orcid.org/0000-0001-7669-6364KM Gomeshttps://orcid.org/0000-0002-2180-5209CJ Rodrigueshttps://orcid.org/0000-0007-5102-6955AA Calderanohttps://orcid.org/0000-0002-2282-3580ABSTRACT This experiment evaluated the influence of chromium (Cr) and vitamin E (VitE) supplementation on the performance, glucose levels, thyroid hormone levels, immune and oxidative response, and 70 kilodalton heat shock protein (HSP70) mRNA expression of broilers under heat stress (HS). Male chickens (n = 768, 22 days old) were randomly assigned to a 4x3 factorial with 4 Cr levels (0, 500, 1000, and 1500 ppb) and 3 VitE levels (0, 150, and 300 mg/kg), totaling 12 treatments with 8 replicates and 8 birds per experimental unit. Performance, glucose levels, thyroid hormone levels, heterophil-to-lymphocyte (H:L) ratio, malondialdehyde (MDA) in muscle, relative weight of lymphoid organs, and HSP70 mRNA expression were measured. VitE at 150 mg/kg improved FI and BWG (p ≤ 0.05). The combination of Cr 1500 ppb and VitE 150 mg/kg reduced FCR (p ≤ 0.05). Cr and VitE had single effects on glucose levels (p ≤ 0.05) and their interaction influenced thyroid hormone levels (p ≤ 0.05). Cr 1500 ppb with VitE 300 mg/kg lowered the H:L ratio and HSP70 mRNA expression (p ≤ 0.05). VitE at 300 mg/kg increased spleen relative weight (p ≤ 0.05). Cr supplementation reduced MDA concentrations (p ≤ 0.05). In conclusion, Cr and VitE, individually or combined, benefitted performance, glucose and thyroid hormone levels, immune and oxidative response, and heat stress tolerance.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2024000400313&lng=en&tlng=enNutritional strategiesantioxidanttrace mineralmetabolic response |
| spellingShingle | ML X Júnior RD Bernardes CH Oliveira KMM Dias BF Almeida SO Borges FS Dalólio KM Gomes CJ Rodrigues AA Calderano Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress Brazilian Journal of Poultry Science Nutritional strategies antioxidant trace mineral metabolic response |
| title | Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress |
| title_full | Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress |
| title_fullStr | Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress |
| title_full_unstemmed | Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress |
| title_short | Influence of Dietary Chromium and Vitamin E Supplementation on Performance, Metabolism, and Physiology of Broilers Subjected to Cyclic Heat Stress |
| title_sort | influence of dietary chromium and vitamin e supplementation on performance metabolism and physiology of broilers subjected to cyclic heat stress |
| topic | Nutritional strategies antioxidant trace mineral metabolic response |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2024000400313&lng=en&tlng=en |
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