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 2.94
Milk (kg) -38.00 -0.014 0.53
Fat (kg) -3.36 -0.375 1.26
Prot (kg) -2.61 -0.441 1.15
Fertility Sub Index 0.56
Calving Interval (days) -0.10 -1.459 0.15
Survival (%) 0.37 1.117 0.41
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.26
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 12.60

* Based on an €80/tonne carbon price