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 7.79
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -10.09 -0.441 4.45
Fertility Sub Index -5.08
Calving Interval (days) 2.33 -1.459 -3.40
Survival (%) -1.50 1.117 -1.68
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.08
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.02 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 4.24

* Based on an €80/tonne carbon price