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 1.74
Milk (kg) -4.00 -0.014 0.06
Fat (kg) -2.11 -0.375 0.79
Prot (kg) -2.03 -0.441 0.90
Fertility Sub Index 1.95
Calving Interval (days) -1.01 -1.459 1.47
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.78
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 6.25

* Based on an €80/tonne carbon price