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 -2.73
Milk (kg) -13.00 -0.014 0.18
Fat (kg) 7.45 -0.375 -2.79
Prot (kg) 0.27 -0.441 -0.12
Fertility Sub Index -1.90
Calving Interval (days) 0.48 -1.459 -0.70
Survival (%) -1.07 1.117 -1.20
Calving Sub Index 3.24
Gestation Length (days) -3.52 -0.919 3.24
Beef Sub Index 0.21
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index -2.41

* Based on an €80/tonne carbon price