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 6.05
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -3.69 -0.375 1.38
Prot (kg) -6.97 -0.441 3.08
Fertility Sub Index 0.25
Calving Interval (days) -0.31 -1.459 0.45
Survival (%) -0.18 1.117 -0.20
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 0.26
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 5.03 -0.432 -2.17
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 8.01

* Based on an €80/tonne carbon price