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 5.13
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -7.07 -0.375 2.65
Prot (kg) -3.52 -0.441 1.55
Fertility Sub Index -12.45
Calving Interval (days) 6.65 -1.459 -9.70
Survival (%) -2.46 1.117 -2.75
Calving Sub Index 2.95
Gestation Length (days) -3.21 -0.919 2.95
Beef Sub Index -1.68
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 4.62 -0.432 -1.99
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index -5.02

* Based on an €80/tonne carbon price