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 2.02
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -2.50 -0.375 0.94
Prot (kg) 0.34 -0.441 -0.15
Fertility Sub Index 2.90
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.61 1.117 0.68
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.64
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 13.94

* Based on an €80/tonne carbon price