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 5.15
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -4.81 -0.375 1.80
Prot (kg) -4.55 -0.441 2.01
Fertility Sub Index 0.48
Calving Interval (days) -0.07 -1.459 0.10
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.28
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.10 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 14.62

* Based on an €80/tonne carbon price