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 7.74
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -7.24 -0.375 2.71
Prot (kg) -6.37 -0.441 2.81
Fertility Sub Index 0.22
Calving Interval (days) 0.21 -1.459 -0.31
Survival (%) 0.47 1.117 0.53
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.21
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 17.68

* Based on an €80/tonne carbon price