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 13.52
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -17.83 -0.375 6.68
Prot (kg) -9.29 -0.441 4.10
Fertility Sub Index 6.40
Calving Interval (days) -4.06 -1.459 5.92
Survival (%) 0.43 1.117 0.48
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 1.03
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) -3.37 -0.432 1.45
Maintenance Sub Index Maint. Sub Index -3.22
Live WT (kg) 10.50 -0.307 -3.22
Total Carbon Sub Index 17.99

* Based on an €80/tonne carbon price