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 4.78
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -3.59 -0.375 1.34
Prot (kg) -5.34 -0.441 2.36
Fertility Sub Index -0.30
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.27
Gestation Length (days) 0.29 -0.919 -0.27
Beef Sub Index -0.33
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) -2.17 -0.432 0.94
Maintenance Sub Index Maint. Sub Index -1.29
Live WT (kg) 4.20 -0.307 -1.29
Total Carbon Sub Index 2.60

* Based on an €80/tonne carbon price