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 6.07
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -6.17 -0.375 2.31
Prot (kg) -5.48 -0.441 2.42
Fertility Sub Index -1.37
Calving Interval (days) 0.66 -1.459 -0.96
Survival (%) -0.36 1.117 -0.40
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 4.07
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) -3.19 -0.432 1.38
Maintenance Sub Index Maint. Sub Index 7.20
Live WT (kg) -23.50 -0.307 7.20
Total Carbon Sub Index 19.76

* Based on an €80/tonne carbon price