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 7.26
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -6.96 -0.375 2.61
Prot (kg) -5.70 -0.441 2.52
Fertility Sub Index 0.22
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) 0.41 1.117 0.46
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.46
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 15.76

* Based on an €80/tonne carbon price