Fúró, Gabriella, et al. “Evaluation of a Hormone Free, Natural Supplement Supporting Oestrus Induction in Three Different Sheep Genotypes”. Animal Welfare, Ethology and Housing Systems (AWETH), vol. 18, no. 2, Dec. 2022, pp. 81-88, https://doi.org/10.17205/SZIE.AWETH.2022.2.081.