[1]
Karakolev, R., Koynarski, T., Petrova-Tsenin, P. and Petrova, R. 2023. Influence of "``Avigen Duck" Immunomodulator on Some Humoral Factors of Non-specific Protection in White Pekin Ducks Parents. Proceedings of the Bulgarian Academy of Sciences. 76, 6 (Jun. 2023), 970–976. DOI:https://doi.org/10.7546/CRABS.2023.06.18.