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 2.85
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.99 -0.375 0.75
Prot (kg) -1.95 -0.441 0.86
Fertility Sub Index -7.58
Calving Interval (days) 4.14 -1.459 -6.04
Survival (%) -1.38 1.117 -1.54
Calving Sub Index -0.50
Gestation Length (days) 0.54 -0.919 -0.50
Beef Sub Index 1.90
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -1.34 -0.432 0.58
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index -4.40

* Based on an €80/tonne carbon price