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 10.04
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -6.72 -0.375 2.52
Prot (kg) -12.98 -0.441 5.73
Fertility Sub Index -4.11
Calving Interval (days) 1.43 -1.459 -2.09
Survival (%) -1.81 1.117 -2.02
Calving Sub Index -0.81
Gestation Length (days) 0.88 -0.919 -0.81
Beef Sub Index 2.82
Carcass Weight (kg) -8.00 -0.528 4.22
Age of Slaughter (days) 3.24 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 9.30

* Based on an €80/tonne carbon price