Greenhouse gas emissions from calf- and yearling-fed beef production systems, with and without the use of growth promotants

Autor: Baron, V. S, Aalhus, J. L., Basarab, J. A., López-Campos, Ó., Haugen-Kozyra, K., Okine, E. K.
Rok vydání: 2012
DOI: 10.7939/r33b5w96t
Databáze: OpenAIRE