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 2.43
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 2.88 -0.375 -1.08
Prot (kg) -5.04 -0.441 2.22
Fertility Sub Index -0.15
Calving Interval (days) 0.09 -1.459 -0.13
Survival (%) -0.02 1.117 -0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.52
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 2.52

* Based on an €80/tonne carbon price