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Construction and Operation of a Respiration Chamber of the Head-Box Type for Methane Measurement from Cattle.
Castelán Ortega OA, Pedraza Beltrán PE, Hernández Pineda GS, Benaouda M, González Ronquillo M, T Molina L, Ku Vera JC, Montelongo Pérez HD, Vázquez Carrillo MF. Castelán Ortega OA, et al. Among authors: pedraza beltran pe. Animals (Basel). 2020 Jan 31;10(2):227. doi: 10.3390/ani10020227. Animals (Basel). 2020. PMID: 32023859 Free PMC article.
On-farm evaluation of the effect of coffee pulp supplementation on milk yield and dry matter intake of dairy cows grazing tropical grasses in central Mexico.
Pedraza-Beltrán P, Estrada-Flores JG, Martínez-Campos AR, Estrada-López I, Rayas-Amor AA, Yong-Angel G, Figueroa-Medina M, Nova FA, Castelán-Ortega OA. Pedraza-Beltrán P, et al. Trop Anim Health Prod. 2012 Feb;44(2):329-36. doi: 10.1007/s11250-011-0025-9. Epub 2011 Nov 26. Trop Anim Health Prod. 2012. PMID: 22119887