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 3.23
Milk (kg) -94.00 -0.014 1.32
Fat (kg) 0.29 -0.375 -0.11
Prot (kg) -4.59 -0.441 2.03
Fertility Sub Index 6.19
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) 2.21 1.117 2.47
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 11.32

* Based on an €80/tonne carbon price