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 12.70
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -11.57 -0.375 4.33
Prot (kg) -12.07 -0.441 5.33
Fertility Sub Index 2.04
Calving Interval (days) -2.06 -1.459 3.01
Survival (%) -0.86 1.117 -0.96
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.92
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.31 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 19.99

* Based on an €80/tonne carbon price