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 5.15
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -3.25 -0.375 1.22
Prot (kg) -8.40 -0.441 3.71
Fertility Sub Index -0.14
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) 0.08 1.117 0.09
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.14
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index -1.66
Live WT (kg) 5.40 -0.307 -1.66
Total Carbon Sub Index 3.80

* Based on an €80/tonne carbon price