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 0.51
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 0.71 -0.375 -0.27
Prot (kg) -1.12 -0.441 0.49
Fertility Sub Index 0.36
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.20
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 2.87

* Based on an €80/tonne carbon price