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 3.33
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -2.27 -0.375 0.85
Prot (kg) -2.28 -0.441 1.01
Fertility Sub Index 4.84
Calving Interval (days) -2.22 -1.459 3.24
Survival (%) 1.43 1.117 1.60
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.15
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.64 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 5.43
Live WT (kg) -17.70 -0.307 5.43
Total Carbon Sub Index 19.70

* Based on an €80/tonne carbon price