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 3.37
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -3.39 -0.375 1.27
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -9.33
Calving Interval (days) 4.11 -1.459 -6.00
Survival (%) -2.98 1.117 -3.33
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.48
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index -4.55

* Based on an €80/tonne carbon price