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 10.12
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -12.02 -0.375 4.50
Prot (kg) -9.33 -0.441 4.12
Fertility Sub Index -2.58
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) -2.30 1.117 -2.57
Calving Sub Index -1.57
Gestation Length (days) 1.71 -0.919 -1.57
Beef Sub Index 0.67
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.38 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 8.93

* Based on an €80/tonne carbon price