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Table 6 Response to selection in the breeding goala under different scenarios

From: The concentrations of immunoglobulins in bovine colostrum determined by the gold standard method are genetically correlated with their near-infrared prediction

Scenario

Selection criteria

Bulls

Dams

Overall Ry

N

Rg

rIH

OP

n

Rg

rIH

Base

RID IgG

30

9.730

0.730

1

3

6.310

0.480

2.823

Alternative

         

 I

RID IgG

120

12.030

0.910

1

3

6.310

0.480

3.228

 II

NIRS IgG

30

7.230

0.540

1

3

4.290

0.330

2.028

 III

NIRS IgG

120

9.700

0.730

1

3

4.290

0.330

2.462

 IV

NIRS IgG + IgA + IgM

30

9.370

0.710

1

3

6.436

0.486

2.782

 V

NIRS IgG + IgA + IgM

120

11.410

0.860

1

3

6.436

0.486

3.141

  1. n number of offspring, Rg response (g/L) per generation, rIH index accuracy, OP own performance, Ry response (g/L) per year, IgG immunoglobulins G (g/L), IgA immunoglobulins G (g/L), IgM immunoglobulins G (g/L), RID radial immunodiffusion (direct measure), NIRS near-infrared spectroscopy (indirect measure)
  2. aColostrum concentration of immunoglobulins G (g/L) measured through gold standard radial immunodiffusion