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 16.20
Milk (kg) -333.00 -0.014 4.66
Fat (kg) -17.09 -0.375 6.40
Prot (kg) -11.63 -0.441 5.13
Fertility Sub Index 3.18
Calving Interval (days) -1.55 -1.459 2.26
Survival (%) 0.82 1.117 0.92
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.76
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.63 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 4.60
Live WT (kg) -15.00 -0.307 4.60
Total Carbon Sub Index 28.42

* Based on an €80/tonne carbon price