Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 6.52
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -3.75 -0.375 1.40
Prot (kg) -7.30 -0.441 3.22
Fertility Sub Index -2.32
Calving Interval (days) 1.10 -1.459 -1.60
Survival (%) -0.64 1.117 -0.72
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index -0.18
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.20 -0.432 -1.81
Maintenance Sub Index Maint. Sub Index 0.06
Live WT (kg) -0.20 -0.307 0.06
Total Carbon Sub Index 4.19

* Based on an €80/tonne carbon price