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 5.01
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -2.30 -0.375 0.86
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 2.38
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 0.77 1.117 0.86
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.02
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -0.52 -0.432 0.22
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 19.48

* Based on an €80/tonne carbon price