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 8.59
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -7.03 -0.375 2.63
Prot (kg) -8.33 -0.441 3.68
Fertility Sub Index 2.04
Calving Interval (days) -0.75 -1.459 1.09
Survival (%) 0.85 1.117 0.95
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.24
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.72 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 18.28

* Based on an €80/tonne carbon price