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 7.49
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -7.21 -0.375 2.70
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index 5.26
Calving Interval (days) -3.27 -1.459 4.77
Survival (%) 0.44 1.117 0.49
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index 4.23
Carcass Weight (kg) -9.00 -0.528 4.75
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 8.68
Live WT (kg) -28.30 -0.307 8.68
Total Carbon Sub Index 25.88

* Based on an €80/tonne carbon price