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 9.08
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -11.24 -0.375 4.21
Prot (kg) -7.49 -0.441 3.31
Fertility Sub Index 1.22
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) -0.63 1.117 -0.70
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.58
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 3.43 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 19.85

* Based on an €80/tonne carbon price