The role of different dietary Zn sources in modulating heat stress-related effects on some thermoregulatory parameters of New Zealand white rabbit bucks*

El-Kholy, Mohamed S.; El-Mekkawy, Mohamed M; Madkour, Mahmoud; El-Azeem, Nafisa A. Abd; Cerbo, Alessandro Di; Mohamed, Laila A.; Alagawany, Mahmoud; Selim, Dina A.

doi:10.1080/10495398.2021.2019757

Cited by 3 publications

(2 citation statements)

References 62 publications

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Section: Antioxidants Activities In Blood and Muscle Tissuesupporting

confidence: 89%

“…Our findings are similar to those of Altan et al (2003); Madkour et al (2021a); Mutwedu et al (2021). They discovered that during heat stress, lipid peroxidation increased significantly, which was linked to a high production of free radicals capable of initiating polyunsaturated fatty acid lipid peroxidation (El‐Kholy et al, 2021; Madkour et al, 2020). Recently, Madkour et al (2021a) demonstrated that the plasma lipid peroxidation was increased ( p < 0.5) in NZW and BB rabbits that were exposed to heat stress (36°C for 6 h at 6 weeks of age) by 144 and 93%, respectively, compared with the control groups.…”

Section: Discussionmentioning

confidence: 99%

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Antioxidants status and physiological responses to early and late heat stress in two rabbit breeds

Madkour¹,

Shakweer²,

Hashem

et al. 2022

Animal Physiology Nutrition

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Early life heat stress negatively affects rabbit production and well‐being. However, the physiological response to acute heat stress in later life is not clearly defined. The present study aims to investigate the effects of early and late heat stress at 36°C on some blood constituents, antioxidant enzymes activity in the blood, and muscle in New Zealand white and Baladi Black rabbits. A total of sixty post‐weaning rabbits of each breed were randomly divided into two groups; control groups (NZWC and BBC) and early heat‐stressed groups for six hours at 36 ± 1°C and 62% relative humidity (RH) (NZWT and BBT groups). After heat stress, six rabbits from each group were slaughtered for blood and muscle tissue collection. The surviving rabbits were kept at 28 ± 1°C and 40% RH till 13 weeks of age. At the end of 13 weeks, all rabbits were exposed to late heat stress as precious described to perform four groups: single late stressed groups; NZWC2, BBC2, and double stressed groups; NZWT2 and BBT2. After late heat stress, six rabbits from each group were slaughtered for blood and muscle tissue collection. The early and late heat stress caused a significant reduction in the blood creatine kinase, lactate dehydrogenase, and high‐density lipoprotein and antioxidant enzymes' activity in blood and muscle of both NZW and BB rabbits compared with the control groups. While, the blood total cholesterol, triglycerides, total lipids levels, and lipid peroxidation activity in blood and muscle were significantly increased due to the early and late heat‐stressed both breeds compared with the control groups. It could be concluded that the early heat stress at 36°C has negative effects on several physiological indicators and antioxidant activities in the blood and muscle of NZW and BB rabbits.

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Section: Antioxidants Activities In Blood and Muscle Tissuesupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Antioxidants status and physiological responses to early and late heat stress in two rabbit breeds

Madkour¹,

Shakweer²,

Hashem

et al. 2022

Animal Physiology Nutrition

Self Cite

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Influence of Dietary Probiotic and Alpha-Monolaurin on Performance, Egg Quality, Blood Constituents, and Egg Fatty Acids’ Profile in Laying Hens

Saleh,

Galosi,

Metwally

et al. 2024

Probiotics & Antimicro. Prot.

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Ramifications of Heat Stress on Rabbit Production and Role of Nutraceuticals in Alleviating Its Negative Impacts: An Updated Review

et al. 2023

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Heat stress has become a widespread concern worldwide, which is a major environmental stress that causes substantial economic loss in the rabbit industry. Compared to other agricultural animals, rabbits are more sensitive to heat stress as they have fewer sweat glands and a thicker coat of fur, increasing the heat dissipation complexity. Thus, heat stress hurts rabbits’ productivity, meat quality, reproductive performance, antioxidative properties, immune responsiveness, intestinal histomorphology, and microbiome. Nutraceuticals include vitamins, minerals, antioxidants, organic acids, fatty acids, probiotics, prebiotics, synbiotics, enzymes, and medicinal plants due to the possible impacts on maintaining common biological situations, strengthening immune response, and preventing illness, which ultimately led to an increase in productivity. Nutraceuticals have recently attracted a lot of attention to alleviate the adverse impacts of heat stress in rabbit farms. The objective of the current review is to provide acquaintance with the recent findings about the impact of heat stress on rabbit productivity and the advantages of dietary supplementation of nutraceuticals in mitigating it.

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The role of different dietary Zn sources in modulating heat stress-related effects on some thermoregulatory parameters of New Zealand white rabbit bucks*

Cited by 3 publications

References 62 publications

Antioxidants status and physiological responses to early and late heat stress in two rabbit breeds

Antioxidants status and physiological responses to early and late heat stress in two rabbit breeds

Influence of Dietary Probiotic and Alpha-Monolaurin on Performance, Egg Quality, Blood Constituents, and Egg Fatty Acids’ Profile in Laying Hens

Ramifications of Heat Stress on Rabbit Production and Role of Nutraceuticals in Alleviating Its Negative Impacts: An Updated Review

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