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 6.31
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -6.85 -0.375 2.57
Prot (kg) -3.35 -0.441 1.48
Fertility Sub Index 8.31
Calving Interval (days) -3.85 -1.459 5.62
Survival (%) 2.41 1.117 2.69
Calving Sub Index -1.64
Gestation Length (days) 1.78 -0.919 -1.64
Beef Sub Index 2.46
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -2.64 -0.432 1.14
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 20.01

* Based on an €80/tonne carbon price