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 7.85
Milk (kg) -154.00 -0.014 2.16
Fat (kg) -3.91 -0.375 1.46
Prot (kg) -9.59 -0.441 4.23
Fertility Sub Index 6.27
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.68 1.117 1.88
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -2.60
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 6.50 -0.432 -2.81
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 12.29

* Based on an €80/tonne carbon price