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 3.97
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -3.38 -0.375 1.27
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index 1.15
Calving Interval (days) -0.43 -1.459 0.63
Survival (%) 0.47 1.117 0.53
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.50
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -0.29 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 15.12

* Based on an €80/tonne carbon price