Seasonal Effects on Oxidative Stress Markers and Economic Traits in Egyptian Buffaloes during the Transition Period
Sayed, M., Mikhail, W., Sobhy, H., Hegazy, M., Eid, L. (2025). Seasonal Effects on Oxidative Stress Markers and Economic Traits in Egyptian Buffaloes during the Transition Period. EKB Journal Management System, 56(8), 1693-1702. doi: 10.21608/ejvs.2025.378866.2802
Mayada Sayed; Wafai Z Mikhail; Hassan Sobhy; mohamed Hegazy; Laila Eid. "Seasonal Effects on Oxidative Stress Markers and Economic Traits in Egyptian Buffaloes during the Transition Period". EKB Journal Management System, 56, 8, 2025, 1693-1702. doi: 10.21608/ejvs.2025.378866.2802
Sayed, M., Mikhail, W., Sobhy, H., Hegazy, M., Eid, L. (2025). 'Seasonal Effects on Oxidative Stress Markers and Economic Traits in Egyptian Buffaloes during the Transition Period', EKB Journal Management System, 56(8), pp. 1693-1702. doi: 10.21608/ejvs.2025.378866.2802
Sayed, M., Mikhail, W., Sobhy, H., Hegazy, M., Eid, L. Seasonal Effects on Oxidative Stress Markers and Economic Traits in Egyptian Buffaloes during the Transition Period. EKB Journal Management System, 2025; 56(8): 1693-1702. doi: 10.21608/ejvs.2025.378866.2802

Seasonal Effects on Oxidative Stress Markers and Economic Traits in Egyptian Buffaloes during the Transition Period

Egyptian Journal of Veterinary Sciences
Article 4, Volume 56, Issue 8, August 2025, Page 1693-1702  XML PDF (849.09 K)
Document Type: Original Article
DOI: 10.21608/ejvs.2025.378866.2802
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Authors
Mayada Sayed1; Wafai Z Mikhailorcid 2; Hassan Sobhy3; mohamed Hegazyorcid 1; Laila Eid email orcid 1
1Animal Production Research Institute (APRI), Agricultural Research Center (ARC), Dokki, Giza, Egypt.
2Department of Natural Resources, Faculty of African Postgraduate Studies, Cairo University
3Department of Natural Resources, Faculty of African Postgraduate Studies, Cairo University, Giza, Egypt.
Abstract
Fourteen pluriparous pregnant Egyptian buffaloes weighing 450±25 kg on average were used. The animals were divided into two groups of seven animals each. The first group went into the transition period during the summer season (July, August, September, and October), while the second group underwent transition in the winter months of November, December, and January. The current study was set out to determine: 1) the seasonal effects (Where buffalo in transition) on some oxidative stress markers. 2) The seasonal effects on some economic productive and reproductive variables. 3) The correlation between oxidative stress markers and the studied traits. Results showed an increase in TAC, MDA, and SOD as oxidative stress markers (p < 0.0001) in response to the season of the year, time from calving (pre/post), and their interaction. The buffalo females that transited during the summer had longer (P < 0.01) days open and gestation length. The season of the year significantly affects the daily and total milk yield, lactation period. According to the current study, heat stress during transition period increased the buffalo oxidative stress, and negatively influenced the buffalo’s reproductive performance and milk production traits. Therefore, to avoid the bad effects of heat stress on the buffalo breeding industry, it would be better to improve the animal's macro-environment by adopting strategies that limit the harmful effects of heat stress, minimizing monetary losses and to meet with SDG2 and SDG 13 concerning hunger and Climatic changes.
Keywords
Buffaloes; Season; Oxidative Stress; Reproduction and milk production; climate change
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