PETRIČ, Daniel et al. Impact of zinc and/or herbal mixture on ruminal fermentation, microbiota, and histopathology in lambs. In Frontiers in veterinary science. ISSN 2297-1769, 2021, vol. 8, no., art. no. 660794, p. [1-13]. (2021 - Current Contents). Dostupné na internete: <https://www.frontiersin.org/articles/10.3389/fvets.2021.630971/full>