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 1.85
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -2.64 -0.375 0.99
Prot (kg) 0.37 -0.441 -0.16
Fertility Sub Index 1.22
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.50 1.117 0.56
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.08
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.99 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 12.11

* Based on an €80/tonne carbon price