Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.22
Milk (kg) -35.00 -0.014 0.49
Fat (kg) 1.73 -0.375 -0.65
Prot (kg) -5.38 -0.441 2.37
Fertility Sub Index 2.33
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) 0.24 1.117 0.27
Calving Sub Index 0.42
Gestation Length (days) -0.46 -0.919 0.42
Beef Sub Index -0.63
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index -2.08
Live WT (kg) 6.80 -0.307 -2.08
Total Carbon Sub Index 2.25

* Based on an €80/tonne carbon price