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 10.59
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -14.76 -0.375 5.53
Prot (kg) -6.02 -0.441 2.66
Fertility Sub Index -2.01
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.87
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -2.50 -0.432 1.08
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 21.25

* Based on an €80/tonne carbon price