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 4.24
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -3.73 -0.441 1.65
Fertility Sub Index 1.42
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.49 1.117 0.55
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.09
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.29 -0.432 0.56
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 17.63

* Based on an €80/tonne carbon price