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 4.88
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -4.21 -0.375 1.58
Prot (kg) -4.02 -0.441 1.77
Fertility Sub Index 2.15
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.96 1.117 1.07
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.81
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -2.10 -0.432 0.91
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 19.69

* Based on an €80/tonne carbon price