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 16.33
Milk (kg) -273.00 -0.014 3.82
Fat (kg) -21.74 -0.375 8.14
Prot (kg) -9.88 -0.441 4.36
Fertility Sub Index 3.22
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) -0.64 1.117 -0.72
Calving Sub Index 1.23
Gestation Length (days) -1.34 -0.919 1.23
Beef Sub Index -1.16
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 3.18 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index -1.41
Live WT (kg) 4.60 -0.307 -1.41
Total Carbon Sub Index 18.21

* Based on an €80/tonne carbon price