Applications of Modern Biotechnologies to Improve Reproductive Efficiency in Animals

Dear Colleagues,

Stress represents a significant biological challenge across animal species, with profound implications for reproductive success and population dynamics. The physiological response to stress involves a cascade of hormonal and molecular changes encompassing both the neuroendocrine and the immune systems. Stress, whether from oxidative damage, heat exposure, or behavioral factors, can significantly reshape the epigenome, leading to lasting alterations in gene expression and physiological responses. These changes occur through mechanisms such as DNA methylation, histone modifications, and the regulation of non-coding RNAs, all of which play crucial roles in how animals adapt to stress.

Modern animal production systems introduce unique stressors through intensive management practices, while wildlife populations face increasing challenges from habitat fragmentation, climate change, and human disturbances. Domestic animals experience reproductive impairments due to housing conditions, social hierarchies, and handling procedures, while conservation efforts for endangered species must address how anthropogenic stressors compromise reproductive potential. This Special Issue aims to compile current research examining stress’ impacts on reproduction across diverse animal species, from livestock and companion animals to wildlife. We welcome studies investigating physiological mechanisms, behavioral manifestations, welfare implications, management interventions, and conservation applications.

Dr. Rosa Maria Lino Neto Pereira
Dr. Sonia Macedo
Dr. Daniela Franco da Silva
Dr. Vera Pessoa
Guest Editors

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