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 2.27
Milk (kg) -35.00 -0.014 0.49
Fat (kg) 0.66 -0.375 -0.25
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index -6.18
Calving Interval (days) 3.85 -1.459 -5.62
Survival (%) -0.50 1.117 -0.56
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index -0.78
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -3.74

* Based on an €80/tonne carbon price