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 8.62
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -8.70 -0.375 3.26
Prot (kg) -5.70 -0.441 2.52
Fertility Sub Index 6.42
Calving Interval (days) -2.64 -1.459 3.85
Survival (%) 2.30 1.117 2.57
Calving Sub Index -1.90
Gestation Length (days) 2.07 -0.919 -1.90
Beef Sub Index -0.37
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 18.12

* Based on an €80/tonne carbon price