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 2.38
Milk (kg) -74.00 -0.014 1.04
Fat (kg) 0.21 -0.375 -0.08
Prot (kg) -3.23 -0.441 1.43
Fertility Sub Index -0.21
Calving Interval (days) 0.10 -1.459 -0.15
Survival (%) -0.06 1.117 -0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.36
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 0.46
Live WT (kg) -1.50 -0.307 0.46
Total Carbon Sub Index 1.80

* Based on an €80/tonne carbon price