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 4.55
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -4.05 -0.441 1.79
Fertility Sub Index 1.43
Calving Interval (days) -0.59 -1.459 0.86
Survival (%) 0.51 1.117 0.57
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.53
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 16.64

* Based on an €80/tonne carbon price