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Table 3 Descriptive statistics of SCC and monthly volume records

From: The impact of removal of the seasonality formula on the eligibility of Irish herds to supply raw milk for processing of dairy products

Statistic

Usablea

Unusablea

6,559 (39.6%) herds

10,020 (60.4%) herds

Somatic Cell Count

Number (%) of herdsb

 Number of SCC records (%)

71,815 (41.1)

102,810 (58.9)

 

SCC (x 1,000 cells/mL)

 

 Mean (Standard deviation)

214 (123.48)

208.4 (123.68)

  5th percentile

70

71

  25th percentile

131

129

  50th percentile

191.7

186

  75th percentile

270

259

  95th percentile

427.18

414

Monthly volume (Litres)

Number (%) of herdsb

 Number of monthly volume records (%)

73,245 (41.5)

103,391 (58.5)

 

Litres

 Mean (Standard deviation)

28,230.9 (25,143.56)

30,777.7 (26,903.61)

  5th percentile

2,810

2,449

  25th percentile

11,080

11,940

  50th percentile

22,164

25,131

  75th percentile

38,111

42,078

  95th percentile

73,243

78,833

  1. aRecords with or without a national herd identifier were termed usable or unusable data, respectively
  2. bThe numbers presented are based on records with a herd identifier. The number of herds without a herd identifier cannot be calculated