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 4.26
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -4.73 -0.375 1.77
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index -4.40
Calving Interval (days) 2.26 -1.459 -3.30
Survival (%) -0.99 1.117 -1.11
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.88
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -1.22

* Based on an €80/tonne carbon price