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 4.61
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index 0.02
Calving Interval (days) 0.26 -1.459 -0.38
Survival (%) 0.36 1.117 0.40
Calving Sub Index 1.38
Gestation Length (days) -1.50 -0.919 1.38
Beef Sub Index 0.18
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -1.16 -0.432 0.50
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 8.18

* Based on an €80/tonne carbon price