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 6.34
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -4.16 -0.441 1.84
Fertility Sub Index 8.80
Calving Interval (days) -5.37 -1.459 7.84
Survival (%) 0.86 1.117 0.96
Calving Sub Index 1.88
Gestation Length (days) -2.04 -0.919 1.88
Beef Sub Index 3.67
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 4.94
Live WT (kg) -16.10 -0.307 4.94
Total Carbon Sub Index 25.62

* Based on an €80/tonne carbon price