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 9.43
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -10.85 -0.375 4.06
Prot (kg) -8.61 -0.441 3.80
Fertility Sub Index 3.00
Calving Interval (days) -2.18 -1.459 3.18
Survival (%) -0.16 1.117 -0.18
Calving Sub Index 1.31
Gestation Length (days) -1.43 -0.919 1.31
Beef Sub Index 0.38
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 17.99

* Based on an €80/tonne carbon price