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 7.71
Milk (kg) -205.00 -0.014 2.87
Fat (kg) -8.49 -0.375 3.18
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 4.88
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 2.25
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.17 -0.432 0.51
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 18.55

* Based on an €80/tonne carbon price