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 2.57
Milk (kg) -15.00 -0.014 0.21
Fat (kg) -7.14 -0.375 2.67
Prot (kg) 0.72 -0.441 -0.32
Fertility Sub Index -1.87
Calving Interval (days) 0.53 -1.459 -0.77
Survival (%) -0.98 1.117 -1.09
Calving Sub Index 1.88
Gestation Length (days) -2.04 -0.919 1.88
Beef Sub Index -3.80
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 4.89 -0.432 -2.11
Maintenance Sub Index Maint. Sub Index -5.21
Live WT (kg) 17.00 -0.307 -5.21
Total Carbon Sub Index -6.43

* Based on an €80/tonne carbon price