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 3.93
Milk (kg) -162.00 -0.014 2.27
Fat (kg) 0.92 -0.375 -0.34
Prot (kg) -4.55 -0.441 2.01
Fertility Sub Index 4.06
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 0.25 1.117 0.28
Calving Sub Index 2.86
Gestation Length (days) -3.11 -0.919 2.86
Beef Sub Index 2.52
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 15.24

* Based on an €80/tonne carbon price