Table 1. Descriptive information for the comparisons included in the dataset.

Author and Reference	Year	Design	Breed	Production system	Unit of interest	Number of replicates		Study length (d)	Seaweed category	Dose of seaweed	Initial body weight (kg)
						Control	Treatment				Control	Treatment
Allen et al. [7]	2001	RBD	ANG, ANG×HF, BRAH	Beef	Pen	12	12	146.5	A. nodosum	3.4 kg/ha	330.0 ± 17.32	325.0 ± 17.32
Allen et al. [7]	2001	RBD	ANG, ANG×HF, BRAH	Beef	Pen	12	12	146.5	A. nodosum	3.4 kg/ha	360.0 ± 17.32	355.0 ± 17.32
Anderson et al. [8]	2006	RBD	English crossbred	Beef	Pen	4	4	24	A. nodosum	2.0% DM	381.5 ± 9.86	384.5 ± 9.86
Anderson et al. [8]	2006	RBD	English crossbred	Beef	Pen	4	4	14	A. nodosum	2.0% DM	381.5 ± 9.86	388.2 ± 9.86
Anderson et al. [8]	2006	RBD	English crossbred	Beef	Pen	4	4	38	A. nodosum	2.0% DM	381.5 ± 9.86	385.9 ± 9.86
Antaya et al. [9]	2019	RBD	Jersey	Dairy	ANI	10	10	28	A. nodosum	113 g/hd/d	420.0 ± 44.00	400.0 ± 36.00
Carter et al. [10]	2000	RCT	Predominately British crosses	Beef	Pen	4	4	56	A. nodosum	273 g/hd/d
Cvetkovic et al. [11]	2004	RCT	Holstein	Dairy	ANI	12	12	21	A. nodosum	114 g/hd/d
Gravett [12]	2000	RBD	ANG & ANG cross	Beef	Pen	10	10	14	A. nodosum	1.0% diet as fed
Kidane et al. [13]	2015	4x4 LS	Norwegian Red	Dairy	ANI	6	6	28	A. nodosum	160 g/hd/d
Williams et al. [3]	2009	2x2 fact	ANG crossbred	Beef	ANI	6	6	13	A. nodosum	1.0% DM	367.9 ± 20.58	367.0 ± 20.58
Williams et al. [3]	2009	2x2 fact	ANG crossbred	Beef	ANI	6	6	13	A. nodosum	1.0% DM	343.4 ± 20.58	329.8 ± 20.58
Kinley et al. [2]	2020	RBD	BRAH×ANG	Beef	ANI	5	5	90	A. taxiformis	0.05% OM
Kinley et al. [2]	2020	RBD	BRAH×ANG	Beef	ANI	5	5	90	A. taxiformis	0.1% OM
Kinley et al. [2]	2020	RBD	BRAH×ANG	Beef	ANI	5	5	90	A. taxiformis	0.2% OM
Roque et al. [1]	2020	RCT	ANG×HF	Beef	ANI	7	7	147	A. taxiformis	0.25% OM	357.0 ± 24.37	348.0 ± 24.37
Roque et al. [1]	2020	RCT	ANG×HF	Beef	ANI	7	6	147	A. taxiformis	0.5% OM	357.0 ± 24.37	350.0 ± 22.56
Stefenoni et al. [14]	2021	4x4 LS	Holstein	Dairy	ANI	20	20	7	A. taxiformis	0.25% DM
Stefenoni et al. [14]	2021	4x4 LS	Holstein	Dairy	ANI	20	20	7	A. taxiformis	0.5% DM
Bendary et al. [15]	2013	RCT	Friesian	Dairy	ANI	6	6	150	Othera	50 g/hd/d	534.0 ± 13.04	534.0 ± 13.04
Sharma & Datt [16]	2020	RCT	Karan fries	Beef	ANI	6	6	150	Otherb	1.5% DM	415.9 ± 13.10	403.4 ± 14.10
Sharma & Datt [16]	2020	RCT	Karan fries	Beef	ANI	6	6	150	Otherb	3.0% DM	415.9 ± 13.10	406.6 ± 10.15
Singh et al. [17]	2015	RCT	Sahiwal	Dairy	ANI	4	4	126	Otherc	10% diet as fed
									Mean ± SD		388.1 ± 18.26	382.9 ± 17.35

RBD = randomized block design; RCT = randomized controlled trial; LS = latin square; ANG = Angus; HF = Hereford; BRAH = Brahman; ANI = animal; A. nodosum = Ascophyllum nodosum; A. taxiformis = Asparagopsis taxiformis; Other = seaweed that is not A. nodosum or A. taxiformis; DM = dry matter; OM = organic matter.

^a Seaweed meal (Crossgates Bioenergetics-Seaweeds Company, Gargrave, North Yorkshire, United Kingdom).

^b Kappaphycus alvarezii & Gracilaria Salicornia.

^c Sargassum wightii.