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 -4.60
Milk (kg) 29.00 -0.014 -0.41
Fat (kg) 5.99 -0.375 -2.24
Prot (kg) 4.42 -0.441 -1.95
Fertility Sub Index 7.24
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) 0.75 1.117 0.84
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.18
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 12.15

* Based on an €80/tonne carbon price