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 4.90
Milk (kg) -83.00 -0.014 1.16
Fat (kg) -4.25 -0.375 1.59
Prot (kg) -4.86 -0.441 2.15
Fertility Sub Index 6.89
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 0.67 1.117 0.75
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -0.03
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.66 -0.432 -0.72
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 15.23

* Based on an €80/tonne carbon price