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 1.08
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index 2.72
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -1.56
Gestation Length (days) 1.70 -0.919 -1.56
Beef Sub Index 0.40
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.79 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 5.27

* Based on an €80/tonne carbon price