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 6.83
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -9.24 -0.375 3.46
Prot (kg) -3.23 -0.441 1.43
Fertility Sub Index 5.20
Calving Interval (days) -2.03 -1.459 2.96
Survival (%) 2.00 1.117 2.23
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 2.01
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -1.59 -0.432 0.69
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 17.72

* Based on an €80/tonne carbon price