Skip to main content

Advertisement

Table 1 Data structure, arithmetic means and standard deviation (in brackets)

From: Genetic parameters for daily milk somatic cell score and relationships with yield traits of primiparous Holstein cattle in Iran

Observations (n) 1,078,966
Herds (n) 268
Sires (n) 1,930
Dams (n) 107,372
Cows (n) 146,765
SCS (units) 2.433 (1.149)
Milk yield (kg) 32.82 (7.36)
Fat yield (kg) 1.075 (0.333)
Protein yield (kg) 1.006 (0.239)
Days in milk 151.36 (83.30)
CGa 15,517
  1. aCG = contemporary group