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 3.80
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -3.33 -0.441 1.47
Fertility Sub Index 6.44
Calving Interval (days) -3.09 -1.459 4.51
Survival (%) 1.73 1.117 1.93
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.87
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -3.11 -0.432 1.34
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 22.30

* Based on an €80/tonne carbon price