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 10.21
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -12.02 -0.375 4.50
Prot (kg) -9.47 -0.441 4.18
Fertility Sub Index 0.28
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 1.34
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 2.52 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 16.12

* Based on an €80/tonne carbon price