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 11.40
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -15.89 -0.375 5.95
Prot (kg) -10.48 -0.441 4.63
Fertility Sub Index -1.14
Calving Interval (days) -1.31 -1.459 1.91
Survival (%) -2.73 1.117 -3.05
Calving Sub Index -1.02
Gestation Length (days) 1.11 -0.919 -1.02
Beef Sub Index -0.09
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 5.22 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 11.52

* Based on an €80/tonne carbon price