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 4.49
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -1.41 -0.375 0.53
Prot (kg) -3.87 -0.441 1.71
Fertility Sub Index 7.14
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 2.09 1.117 2.33
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.52
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -1.43 -0.432 0.62
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 24.23

* Based on an €80/tonne carbon price