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 21.16
Milk (kg) -381.00 -0.014 5.33
Fat (kg) -21.11 -0.375 7.91
Prot (kg) -17.95 -0.441 7.92
Fertility Sub Index -1.26
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) -0.63 1.117 -0.70
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index 3.54
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -3.07 -0.432 1.33
Maintenance Sub Index Maint. Sub Index 7.51
Live WT (kg) -24.50 -0.307 7.51
Total Carbon Sub Index 30.56

* Based on an €80/tonne carbon price