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 2.65
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -1.15 -0.375 0.43
Prot (kg) -2.74 -0.441 1.21
Fertility Sub Index -1.08
Calving Interval (days) 0.77 -1.459 -1.12
Survival (%) 0.04 1.117 0.04
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index -1.21
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 4.28 -0.432 -1.85
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 8.94

* Based on an €80/tonne carbon price