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Table 1 Characteristics of farms used in the study

From: Occurrence of clinical mastitis in primiparous Estonian dairy cows in different housing conditions

 

Tied housing

Loose housing

Number of herds

6

5

Average herd size (min; max)

259(200–350)

318(130–460)

Average milk yield per herd kg/305 d (min; max)

8056(5822–9130)

7194(6206–8061)

Total number of freshly calved heifers

423

640

Average number of calved heifers per herd (min; max)

71(50–82)

128(50–270)