Table 21.

Comparison of housing systems regarding prevalence of integument alterations on the limbs

Country	Variable	Tie‐stall	Cubicle	Straw yard	Compost‐bedded pack	Reference
AT, IT	% hock alterations	↑	↓			Katzenberger et al. (2020)
	% knee alterations	↑	↓
UK	% hock mild		↑	↓		Potterton et al. (2011)
	% hock lesion		↑	↓
	% hock swelling		↑	↓
FR	score for absence of any type of injuries		↓	↑		De Boyer des Roches et al. (2014)
ES	% carpus mild		ns		ns	Fernández et al. (2020)
	% carpus severe		ns		ns
	% tarsus mild		↑		↓
	% tarsus severe		ns		ns
USA	mean hock score		ns (a)		ns	Eckelkamp et al. (2016b)
USA	% hock alterations		↑		↓	Lobeck et al. (2011)

↓ = significantly fewer alterations (p < 0.05), ↑ = significantly more alterations (p < 0.05); ns = not significant. The housing systems compared are indicated by these arrows and empty cells mean that the corresponding housing system was not included in the comparison.

^(a)Sand‐bedded cubicles.