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 2.62
Milk (kg) -8.00 -0.014 0.11
Fat (kg) -2.04 -0.375 0.76
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index -6.26
Calving Interval (days) 3.21 -1.459 -4.68
Survival (%) -1.41 1.117 -1.58
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -0.19
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index -4.59

* Based on an €80/tonne carbon price