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 4.07
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -4.48 -0.441 1.98
Fertility Sub Index -6.65
Calving Interval (days) 3.36 -1.459 -4.90
Survival (%) -1.56 1.117 -1.74
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 0.47
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.12 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index -1.25

* Based on an €80/tonne carbon price