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 11.38
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -12.16 -0.375 4.55
Prot (kg) -10.76 -0.441 4.75
Fertility Sub Index 2.31
Calving Interval (days) -1.77 -1.459 2.58
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 0.12
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 18.01

* Based on an €80/tonne carbon price