O. H, Osaiyuwu, Animal Breeding and Genetics Unit, Department of Animal Science,University of Ibadan, Ibadan, Nigeria
O.I, Shtompel, Institute of Bioorganic Chemistry and Petrochemistry of NAS of Ukraine.
Obeng-Akrofi, George, 3Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, Iowa, USA
Odoh, Nkiruka, University of Abuja, Nigeria
Odunsi, Esther, Faculty of Science, Obafemi Awolowo University
Ofori, Hayford , Department of Agricultural Engineering, Ho Technical University, Ho, Ghana
Ogunsiji, D., Animal Nutrition Unit, University of Ibadan, Ibadan
Ogunwole, Olugbenga Adeniran, Animal Nutrition Unit, University of Ibadan, Ibadan
Okello, H, Ngetta Zonal Agricultural Research and development Institute.
Okello, H., Ngetta Zonal Agricultural Research and development Institute P.O Box 52 Lira, Uganda.
Okereke, Victor, School of Agriculture, Policy and Development, University of Reading,UK
Okereke, Victor Chijioke, University of Port arcourt
Olivares-Figueroa, Jesús Daniel , Unidad Académica de Ciencias Básicas e Ingenierías. Universidad Autónoma de Nayarit. Tepic, Nayarit. 63000. Mexico
Olubode-Awosola, Femi, Waikato Regional Council, Private Bag 3038, Hamilton 3240, New Zealand
Omar, M.O. M., Assiut University
Omran, N. S., Sohag University
Ortega, Rosalba, Universidad Autónoma de Ciudad Juárez, Chihuahua, Mex.
Oruonye, E D, Taraba State University, P.M.B. 1167, Jalingo, Taraba State, Nigeria
Ossifo, Momate Emate
Osuna-Garcia, Jorge A. , INIFAP-Santiago Ixcuintla Experimental Station. Km. 6 Entronque Carretera Internacional Mexico-Nogales. Santiago Ixcuintla, Nayarit. 63300. Mexico
Osundare, F. O., Ekiti State University
Owoeye, Rufus Sunday, Ekiti State University
oyekale, kehinde oluwaseun, Department of Agronomy and Landscape Design, Babcock University, Ilishan-Remo Nigeria
Özköse, Abdullah , Selçuk University, Faculty of Agriculture, Department of Field Crops, Konya, Türkiye

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