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 6.21
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -4.59 -0.375 1.72
Prot (kg) -5.49 -0.441 2.42
Fertility Sub Index 2.56
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 0.93 1.117 1.04
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.22
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.86 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 20.88

* Based on an €80/tonne carbon price