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 15.52
Milk (kg) -349.00 -0.014 4.89
Fat (kg) -13.08 -0.375 4.90
Prot (kg) -13.00 -0.441 5.74
Fertility Sub Index -1.64
Calving Interval (days) 0.44 -1.459 -0.64
Survival (%) -0.89 1.117 -0.99
Calving Sub Index -1.04
Gestation Length (days) 1.13 -0.919 -1.04
Beef Sub Index 0.19
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 17.78

* Based on an €80/tonne carbon price