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 6.16
Milk (kg) -193.00 -0.014 2.70
Fat (kg) -2.53 -0.375 0.95
Prot (kg) -5.69 -0.441 2.51
Fertility Sub Index 2.89
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) 0.63 1.117 0.70
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.22
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 4.63
Live WT (kg) -15.10 -0.307 4.63
Total Carbon Sub Index 17.60

* Based on an €80/tonne carbon price