Dr. Rahul Kumar is presently working as Assistant professor (Zoology) in Chaudhary Charan Singh Haryana Agricultural University, College of Agriculture, Bawal, Rewari, Haryana, India. He got his Ph.D. (in 2022) and M.Sc. (in 2016) from the Department of Zoology and Aquaculture, CCS Haryana Agriculture University, Hisar, Haryana, India. He also serves as Senior Research Fellow (SRF) at Department Veterinary Physiology and Biochemistry, Lala Lajpat Rai University of Veterinary and Animal Sciences (LUVAS) for the session 2022-23. Former he was also Assistant Professor in Dayanand College, Hisar, Haryana. He published more than 18 papers in national and international journals and conferences and contributed to more than 6 book chapters that have been also published by Springer Publishing House. Some of his papers were awarded the prize of the best papers. He delivered keynote talks at international conferences. Dr Rahul Kumar is a reviewer of more than 11 international scientific journals indexed in Scopus and WoS. Moreover, he is a member of the editorial board member of International Journal.Dr. Renu Yadav is an Assistant Professor of Zoology at School of Biosciences, RIMT University, Mandi Gobindgarh, Fatehgarh Sahib, Punjab, since November 2023. She also serves as an Assistant Professor at RKSD College Kaithal. She got her Ph.D. in 2023 and M.Sc. in 2018 from CCSHAU Hisar, Haryana. She was the college topper in M.Sc. and got the govt. POSE (Promotion of Science Education) fellowship during her M.Sc. She participated in several national and international conferences and published 10 papers in national and international journals indexed in Scopus and Web of Science and contributed to 6 book chapters.