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 1.78
Milk (kg) -95.00 -0.014 1.33
Fat (kg) 0.62 -0.375 -0.23
Prot (kg) -1.54 -0.441 0.68
Fertility Sub Index 7.93
Calving Interval (days) -3.85 -1.459 5.62
Survival (%) 2.07 1.117 2.31
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.54
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 20.36

* Based on an €80/tonne carbon price