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 0.24
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) -0.79 -0.375 0.30
Prot (kg) 0.10 -0.441 -0.04
Fertility Sub Index -1.15
Calving Interval (days) 0.41 -1.459 -0.60
Survival (%) -0.49 1.117 -0.55
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.19
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.22 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 4.06

* Based on an €80/tonne carbon price