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Table 1 Data sources and characteristics of the studies included in the meta-analysis

From: Dynamics of methanogenesis, ruminal fermentation and fiber digestibility in ruminants following elimination of protozoa: a meta-analysis

Source Trials Animal Defaunation duration Outcomes
Belanche et al. [44] 2 Sheep 23 wk VFA, digestibility
Bird et al. [11] 2 Sheep 11, 26 wk CH4, VFA, digestibility
Chandramoni et al. [45] 2 Sheep 5, 11 wk CH4, digestibility
Chaudhary and Srivastava [46] 2 Cattle 18 wk Digestibility
Eadie and Gill [47] 2 Sheep 22, 55 wk VFA
Eugène et al. [48] 4 Sheep 10, 14, 18, 22 wk Digestibility
Frumholtz [38] 3 Sheep 5, 26, 52 wk VFA
Hegarty et al. [12] 4 Sheep 12, 22, 24, 33 wk CH4, VFA
Kasuya et al. [49] 1 Cattle 21 wk Digestibility
Kreuzer et al. [50] 3 Sheep 9, 10, 11 wk CH4
Morgavi et al. [13] 2 Sheep 6 wk, 2 yr CH4, VFA
Nagaraja et al. [51] 2 Sheep 14 wk VFA
Nguyen et al. [33] 2 Sheep 9 wk CH4, VFA, digestibility
Ozutsumi et al. [35] 1 Cattle 14 wk VFA
Santra and Karim [52] 2 Sheep 12 wk Digestibility
Santra and Karim [53] 3 Sheep 14 wk Digestibility
Santra et al. [54] 2 Sheep 8 wk Digestibility
Schönhusen et al. [20] 4 Cattle 4, 5, 6, 7 wk CH4, VFA, digestibility
Sultana et al. [55] 1 Cattle 14 wk VFA
Williams and Dinusson [56] 2 Cattle 30, 56 wk VFA
Yáñez-Ruiz et al. [57] 1 Sheep 18 wk VFA
Zhou et al. [58] 2 Sheep 5 wk CH4, VFA