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 5.12
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -3.66 -0.441 1.62
Fertility Sub Index 4.64
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index 3.56
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) -0.54 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 18.29

* Based on an €80/tonne carbon price