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 3.20
Milk (kg) 21.00 -0.014 -0.29
Fat (kg) -3.79 -0.375 1.42
Prot (kg) -4.71 -0.441 2.08
Fertility Sub Index -7.40
Calving Interval (days) 4.47 -1.459 -6.52
Survival (%) -0.79 1.117 -0.88
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index -0.03
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 4.59 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index -3.13

* Based on an €80/tonne carbon price