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 17.51
Milk (kg) -368.00 -0.014 5.15
Fat (kg) -17.62 -0.375 6.60
Prot (kg) -13.05 -0.441 5.76
Fertility Sub Index 1.10
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) -0.41 1.117 -0.46
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.78
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) -2.42 -0.432 1.04
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price