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 3.40
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -1.09 -0.375 0.41
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index -1.00
Calving Interval (days) 0.50 -1.459 -0.73
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.32
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.81 -0.432 -1.21
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 3.65

* Based on an €80/tonne carbon price