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 10.15
Milk (kg) -237.00 -0.014 3.32
Fat (kg) -8.55 -0.375 3.20
Prot (kg) -8.23 -0.441 3.63
Fertility Sub Index 1.05
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) 1.14 1.117 1.27
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.99
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 22.04

* Based on an €80/tonne carbon price