This a report prepared in partial fulfilment of the undergraduate degree of Mariana Garcia Rendon Calzada. She is a student from the National Autonomous University of Mexico. During her internship, Mariana was involved in one of the studies with the low-methane sheep, and she has chosen that trial to report her activities.
Drs Arjan Jonker and David Pacheco are listed as co-authors because of their role as supervisors.
