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 20.05
Milk (kg) -321.00 -0.014 4.49
Fat (kg) -24.45 -0.375 9.16
Prot (kg) -14.50 -0.441 6.40
Fertility Sub Index 0.87
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) 1.63 1.117 1.82
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index 2.61
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 28.00

* Based on an €80/tonne carbon price