Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.14
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -3.21 -0.375 1.20
Prot (kg) -3.08 -0.441 1.36
Fertility Sub Index 0.50
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) 0.28 1.117 0.31
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.78
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 15.61

* Based on an €80/tonne carbon price