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 7.59
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -6.40 -0.375 2.40
Prot (kg) -6.66 -0.441 2.94
Fertility Sub Index 6.31
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 1.68 1.117 1.88
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 3.04
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -3.50 -0.432 1.51
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 26.36

* Based on an €80/tonne carbon price