The below articles published online on Wiley Online Library (wileyonlinelibrary.com) have been retracted by agreement between the submitting author, Mohammad Sadegh Aramli (2015, 2015a, 2015b), the Editor-in-Chief, Michel Goldberg, and Blackwell Verlag GmbH. After a thorough investigation, there is strong evidence to indicate that the peer review of these papers was compromised. The identities of the reviewers were unable to be verified, and it is believed that these papers were accepted based on recommendations from reviewers not suitably qualified. REFERENCE Aramli, M. S. (2015). Study of enzyme activities and protein content of beluga (Huso huso) semen before and after cryopreservation. Journal of Animal Physiology and Animal Nutrition, 99, 13-16. https://doi.org/10.1111/jpn.12199 Aramli, M. S., Habibi, E., Aramli, S., & Nouri, H. A. (2015b). Determination of some blood and seminal plasma ions in the beluga, Huso huso (Linnaeus, 1758). Journal of Animal Physiology and Animal Nutrition, 99, 17-20. https://doi.org/10.1111/jpn.12225 Aramli, M. S., Kalbassi, M. R., & Gharibi, M. R. (2015a). Effects of multiple collections on spermatozoa quality of Persian sturgeon, Acipenser persicus: Motility, density and seminal plasma composition. Journal of Animal Physiology and Animal Nutrition, 99, 66-72. https://doi.org/10.1111/jpn.12212.
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