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 0.84
Milk (kg) -45.00 -0.014 0.63
Fat (kg) 3.92 -0.375 -1.47
Prot (kg) -3.81 -0.441 1.68
Fertility Sub Index 1.74
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 0.74
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 5.03

* Based on an €80/tonne carbon price