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 2.98
Milk (kg) -44.00 -0.014 0.62
Fat (kg) -3.16 -0.375 1.18
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 1.40
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.03
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.85 -0.432 -1.66
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 14.41

* Based on an €80/tonne carbon price