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 5.27
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -4.57 -0.375 1.71
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 1.68
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) 0.75 1.117 0.84
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.53
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.19 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 15.75

* Based on an €80/tonne carbon price