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 3.01
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -1.98 -0.375 0.74
Prot (kg) -0.50 -0.441 0.22
Fertility Sub Index 2.41
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) -0.17 1.117 -0.19
Calving Sub Index 2.58
Gestation Length (days) -2.81 -0.919 2.58
Beef Sub Index 2.21
Carcass Weight (kg) -9.40 -0.528 4.96
Age of Slaughter (days) 6.36 -0.432 -2.75
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 12.04

* Based on an €80/tonne carbon price