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 5.56
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -1.43 -0.375 0.54
Prot (kg) -8.49 -0.441 3.75
Fertility Sub Index -1.67
Calving Interval (days) 0.15 -1.459 -0.22
Survival (%) -1.30 1.117 -1.45
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index -2.01
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 4.41 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index 2.77

* Based on an €80/tonne carbon price