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 2.82
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -1.76 -0.375 0.66
Prot (kg) -3.37 -0.441 1.49
Fertility Sub Index -1.34
Calving Interval (days) 0.52 -1.459 -0.76
Survival (%) -0.52 1.117 -0.58
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 2.56

* Based on an €80/tonne carbon price