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 3.12
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -3.27 -0.441 1.44
Fertility Sub Index -11.37
Calving Interval (days) 6.16 -1.459 -8.99
Survival (%) -2.13 1.117 -2.38
Calving Sub Index 1.39
Gestation Length (days) -1.51 -0.919 1.39
Beef Sub Index -1.57
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 0.59 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index -8.80

* Based on an €80/tonne carbon price