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 7.18
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -11.26 -0.375 4.22
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index -3.03
Calving Interval (days) 1.22 -1.459 -1.78
Survival (%) -1.12 1.117 -1.25
Calving Sub Index -1.29
Gestation Length (days) 1.40 -0.919 -1.29
Beef Sub Index -5.00
Carcass Weight (kg) 8.00 -0.528 -4.22
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index -2.48
Live WT (kg) 8.10 -0.307 -2.48
Total Carbon Sub Index -4.61

* Based on an €80/tonne carbon price