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 11.14
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -10.19 -0.375 3.82
Prot (kg) -11.78 -0.441 5.20
Fertility Sub Index -1.99
Calving Interval (days) 0.69 -1.459 -1.01
Survival (%) -0.88 1.117 -0.98
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index -1.75
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 0.77
Live WT (kg) -2.50 -0.307 0.77
Total Carbon Sub Index 9.20

* Based on an €80/tonne carbon price