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 8.04
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -7.45 -0.375 2.79
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index 1.67
Calving Interval (days) -0.42 -1.459 0.61
Survival (%) 0.95 1.117 1.06
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.81
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 20.28

* Based on an €80/tonne carbon price