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 11.90
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -16.35 -0.375 6.12
Prot (kg) -9.56 -0.441 4.22
Fertility Sub Index 2.21
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) -0.53 1.117 -0.59
Calving Sub Index -1.30
Gestation Length (days) 1.41 -0.919 -1.30
Beef Sub Index 2.19
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -2.50 -0.432 1.08
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 20.12

* Based on an €80/tonne carbon price