Fig. 2.

Relationship between methane emission and rumen protozoa concentration in a meta-analysis of 28 different experiments. The black dashed line represents the average within-experiment relationship. Reproduced from [56] with permission

Relationship between methane emission and rumen protozoa concentration in a meta-analysis of 28 different experiments. The black dashed line represents the average within-experiment relationship. Reproduced from [56] with permission