. 2023 May 16;21(5):e07993. doi: 10.2903/j.efsa.2023.7993

Table 30.

Clinical mastitis, bacteriological findings or somatic cell counts reported for different amounts of time of outdoor or pasture access

Country	n ^(a)	Mean herd size (range)	Outdoor access	Variable	Level	Measure	Mean/prevalence	Reference
Clinical mastitis (CM)
IT	9	252.3	Zero‐grazing	CM	Herd	Prev.	6.2%	Pugliese et al. (2021)
IT	9	61.1	Pasture (7 months)	CM	Herd	Prev.	4.9%	Pugliese et al. (2021)
PT	87	213.1	Confined	Estimated Score 1–5 ^(b)	Herd	Mean	2.2	Medeiros et al. (2021)
PT	18	157.8	≥ 8 h/day grazing	Estimated Score 1–5 ^(b)	Herd	Mean	2.1	Medeiros et al. (2021)
Somatic cell count (SCC)
DE	14	114 ^(c) (30–726)	0–< 6 h grazing	% cows with SCC ≥ 400	Herd	Prev.	10%, 15% ^(d)	Wagner et al. (2017)
	10	114 ^(c) (30–726)	6–< 12 h grazing				12%, 11% ^(d)
	8	114 ^(c) (30–726)	≥ 12 h grazing				20%, 16% ^(d)
DE	55	374 (47–1,609)	Zero‐grazing	% cows with SCC ≥ 400	Herd	Prev.	21.0%	Gieseke et al. (2020)
DE	9	374 (47–1,609)	Pasture access	% cows with SCC ≥ 400	Herd	Prev.	15.5%	Gieseke et al. (2020)
IT	9	252.3	Zero‐grazing	SCC	Herd	Mean	600	Pugliese et al. (2021)
IT	9	61.1	Pasture (7 months)	SCC	Herd	Mean	310	Pugliese et al. (2021)
PT	87	213.1	Confined	Estimated log₁₀SCC	Herd	Mean	2.38	Medeiros et al. (2021)
PT	18	157.8	≥ 8 h/day grazing	Estimated log₁₀SCC	Herd	Mean	2.45	Medeiros et al. (2021)

^(a)

Number of farms.

^(b)

% cows with mastitis during 1 year: Score 1:10%; Score 2:10–20%; Score 3:20–30%; Score 4:30–40%; Score 5: > 40%.

^(c)

Mean (range) for all 32 farms included in the study.

^(d)

Winter, summer.