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 3.83
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -5.00 -0.375 1.87
Prot (kg) -0.12 -0.441 0.05
Fertility Sub Index -5.77
Calving Interval (days) 1.09 -1.459 -1.59
Survival (%) -3.74 1.117 -4.18
Calving Sub Index 1.30
Gestation Length (days) -1.41 -0.919 1.30
Beef Sub Index 1.67
Carcass Weight (kg) -3.80 -0.528 2.00
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 2.57

* Based on an €80/tonne carbon price