. 2020 Aug 18;98(Suppl 1):S36–S51. doi: 10.1093/jas/skaa145

Table 1.

Overview of studies reviewed, sorted by year

							Fracture prevalence		Damage prevalence
Authors	Year	Country	Strain	Age, wk	Rearing system(s)	Laying system(s)	Min	Max	Min	Max	Assessment method	Times cited¹
Abrahamsson and Tauson	1993	Sweden	Mixed	80	Conventional Cage	Conventional cage Furnished cage			12.6	39.8	—	88
Appleby et al.	1993	UK	Brown	71	Floor	Conventional cage Furnished cage			4	43	—	154
Abrahamsson and Tauson	1995	Sweden	White	80	Single-tier Aviary	Conventional cage Aviary			4.2	39.9	—	163
Appleby	1998	UK	Brown	38 to 67	Floor	Conventional cage Furnished cage			13	63.5	Palpation	41
Budgell and Silversides	2004	Canada	Mixed	77	Floor	Conventional cage	0	0.07			Dissection	32
Wilkins et al.	2004	UK	—	70	—	Mixed information	38.7	58.7			Dissection	88
Nicol et al.	2006	UK	—	70	Floor	Single-tier	57	58			Dissection	96
Clark et al.	2008	Canada	—	47 to 65	Conventional cage	Conventional cage	0	5.5			Radiography	21
Rodenburg et al.	2008	The Netherlands	Mixed	60 to 64	—	Furnished cage Floor Aviary	62	97			Dissection	98
Sherwin et al.	2010	UK	—	70	Mixed	Conventional cage Furnished cage Single-tier	17.7	59.8			Dissection	147
Käppeli et al.	2011a	Switzerland	Mixed	22 to 65	Aviary	Floor Aviary	0	53			Palpation	32
Käppeli et al.	2011b	Switzerland	Mixed	70 to 71	—	Mixed	17	27.4			Palpation	50
Wilkins et al.	2011	UK	Brown	70	—	Furnished cage Floor Single-tier	32	87			Palpation, dissection	102
Donaldson et al.	2012	UK	Brown	20 to 72	—	Single-tier			10	86.3	Palpation, dissection	27
Habig and Distl	2013	Germany	Mixed	—	Mixed	Furnished cage				28	Palpation	17
Hester et al.	2013	United States	White	71	Conventional cage Furnished cage	Conventional cage Furnished cage	82	93			Dissection	52
Nasr et al.	2012	UK	Brown	35 to 38	—	—	10	20			Palpation	32
Petrik et al.	2013	Canada	Brown	68	—	Single-tier		62			Dissection	15
Tarlton et al.	2013	UK	—	30 to 70	—	—	4	64			Palpation, dissection	44
Bestman and Wagenaar	2014	The Netherlands	Mixed	55	Mixed	Mixed				21	Palpation	29
Scholz et al.	2014	Germany	Mixed	21	Floor	Floor	0	0.1			Palpation	13
Petrik et al.	2015	Canada	Brown	20 to 65	Conventional cage Single-tier	Conventional cage Single-tier	4	63			Palpation	47
Stratmann et al.	2015a	Switzerland	White	18 to 66	Aviary	Aviary	0	90.5			Palpation, dissection	52
Stratmann et al.	2015b	Switzerland	Mixed	18 to 64	Aviary	Aviary	2	38			Palpation	37
Blatchford et al.	2016	United States	White	52 to 72	Conventional cage Aviary	Conventional cage Furnished cage Aviary			6	49	Palpation	33
Heerkens et al.	2016a	Belgium	Mixed	29 to 49	Aviary	Single-tier	60	86.5			Palpation	16
Heerkens et al.	2016b	Belgium	Brown	60	—	Aviary		82.5			Palpation	22
Hinrichsen et al.	2016	Denmark	Mixed	34 to 70	—	Mixed	3.7	18.7			Palpation	7
Kajlich et al.	2016	United States	Mixed	25 to 70	—	Single-tier Aviary			29	64.7	—	10
Riber and Hinrichsen	2016	Denmark	Mixed	32 to 62	—	Single-tier Aviary	2.9	11.6			Palpation	11
Regmi et al.	2016	United States	Mixed	78	Conventional cage Floor	Mixed	37.3	63			CT	11
Stratmann et al.	2016	Switzerland	White	17 to 63	Aviary	Aviary	1	37			Palpation	18
Campbell et al.	2017	Australia	Brown	20 to 36	Floor	Floor			0.8	15.2	Palpation	15
Candelotto et al.	2017	Switzerland	Mixed	29	—	Single-tier	9.0	71			Dissection	6
Casey-Trott et al.	2017a	Canada	White	16 to 70	Conventional cage Aviary	Furnished cage	0	73			Palpation	15
Gebhardt-Henrich et al.	2017²	Switzerland	Mixed	64 to 96	—	Floor Aviary	0.06	46			Palpation	3
Grafl et al.	2017	Austria	Mixed	75	—	—			22.9	25.8	—	9
Riber and Hinrichsen	2017	Denmark	Mixed	32 to 62	—	Mixed	4.2	9.8			Palpation	5
Stojcic et al.	2017	Serbia	Mixed	45	—	Mixed information			3	39	Palpation	0
Widowski et al.	2017	Canada	White	30 to 70	Conventional cage	Conventional cage Furnished cage			12	80	Palpation	9
Buijs et al.	2018	Unknown	Brown	75	—	Aviary		100			Dissection	2
Chargo et al.	2018³	United States	White	55 to 80	—	Furnished cage	54.2	97.5			CT	2
Eusemann et al.	2018b	Germany	White	20 to 35	—	Floor	0	0.4			Radiography	0
Eusemann et al.	2018a	Germany	Mixed	35 to 72	Floor	Furnished cage Single-tier	0	100			Radiography	2
Larsen et al.	2018	Australia	Brown	44 to 66	—	Single-tier			45	62	Palpation	3
Regmi et al.	2018	United States	White	37 to 68	—	Aviary			30	92	Palpation	2
Riddle et al.	2018	United States	Mixed	28	Floor	Aviary			3	9	Palpation	5
Rorvang et al.	2019	Denmark	White	32 to 77	—	Furnished cage	2.4	19.8			Palpation	2
Sirovnik et al.	2018	Switzerland	Mixed	29 to 65	Aviary	Aviary	25.6	87			Palpation	2

¹According to Google Scholar, September 2019.

²Using a subset of data from Käppeli et al. (2011b).

³Published online in 2018.