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 4.11
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -2.63 -0.375 0.99
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index 0.31
Calving Interval (days) 0.40 -1.459 -0.58
Survival (%) 0.80 1.117 0.89
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.38
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 15.37

* Based on an €80/tonne carbon price