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 10.04
Milk (kg) -235.00 -0.014 3.29
Fat (kg) -8.59 -0.375 3.22
Prot (kg) -8.00 -0.441 3.53
Fertility Sub Index 5.05
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 0.47 1.117 0.53
Calving Sub Index 2.14
Gestation Length (days) -2.33 -0.919 2.14
Beef Sub Index 2.82
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.07 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 21.55

* Based on an €80/tonne carbon price