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 10.79
Milk (kg) -390.00 -0.014 5.46
Fat (kg) -4.27 -0.375 1.60
Prot (kg) -8.45 -0.441 3.73
Fertility Sub Index 2.02
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.94
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 15.76

* Based on an €80/tonne carbon price