Cite
APA Citation
Ayrle, H., Mevissen, M., Bruckmaier, R. M., Wellnitz, O., Kaske, M., Bieber, A., Vögtlin, A., Fricker, R., & Walkenhorst, M. (2021). effects of an oral hydro-ethanolic purple coneflower extract on performance, clinical health and immune parameters in calves. Research in veterinary science, 138, 148–160. http://access.bl.uk/ark:/81055/vdc_100133937072.0x000059