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 2.95
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -2.66 -0.441 1.17
Fertility Sub Index -0.23
Calving Interval (days) -0.13 -1.459 0.19
Survival (%) -0.38 1.117 -0.42
Calving Sub Index 1.93
Gestation Length (days) -2.10 -0.919 1.93
Beef Sub Index -5.71
Carcass Weight (kg) 8.40 -0.528 -4.43
Age of Slaughter (days) 2.97 -0.432 -1.28
Maintenance Sub Index Maint. Sub Index -6.25
Live WT (kg) 20.40 -0.307 -6.25
Total Carbon Sub Index -7.32

* Based on an €80/tonne carbon price