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 2.41
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -1.90 -0.375 0.71
Prot (kg) -0.37 -0.441 0.16
Fertility Sub Index 1.27
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) 0.56 1.117 0.63
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.02
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 12.93

* Based on an €80/tonne carbon price