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 2.78
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.98 -0.375 1.12
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index 1.54
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.01
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 13.46

* Based on an €80/tonne carbon price