Skip to main content

Advertisement

Table 3 Number of estimated parameters, log likelihood values and Schwarz’s Bayesian information criteria (BIC) for 3X milking frequency in the first and second lactations

From: Influence of milking frequency on genetic parameters associated with the milk production in the first and second lactations of Iranian Holstein dairy cows using random regression test day models

Lactation Kaa Kpeb Number of parameters Log likelyhood BIC
Lact 1 1 1 16 −106,018.02 212,111.7
2 1 19 −105,796.05 211,682
2 2 22 −105,772.28 211,648.6
3 2 25 −105,735.65 211,589.5
3 3 28 −105,703.71 211,539.9
4 2 28 −105,680.26 211,493
4 3 31 −105,656.98 211,460.6
4 4 34 −105,645.56 211,451.9
5 2 31 −105,661.18 211,469
5 3 34 −105,648.43 211,457.7
5 4 37 −105,635.52 211,446 c
5 5 40 −105,675.21 211,539.6
Lact 2 1 1 16 −131,871.6 263,819.6
2 1 19 −131,569.2 263,229.1
2 2 22 −131,516.12 263,137.3
3 2 25 −121,394.82 242,909 c
3 3 28 −141,350.47 282,834.7
4 2 28 −131,347.03 262,827.8
4 3 31 −131,303.31 262,754.7
4 4 34 −131,275.85 262,714.1
5 2 31 −131,134.43 262,416.9
5 3 34 −131,086.81 262,336
5 4 37 −131,050.94 262,278.6
5 5 40 −131,041.94 262,274.9
  1. aka: order of fit for additive genetic effect
  2. bke: order of fit for permanent environmental effect
  3. cSelected order of legendre polynomials for the genetic and permanent environmental effects (best model)