Katiyar, Rahul, et al. “Supplementation of Oxyrase in Extender Preserves Physico-Morphological Characteristics of Crossbred Hampshire Boar Semen”. The Indian Journal of Animal Reproduction, vol. 43, no. 1, May 2022, pp. 62-65, https://doi.org/10.48165/ijar.2022.43.1.11.