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 6.58
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.06 -0.375 1.90
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 0.42
Calving Interval (days) -0.44 -1.459 0.64
Survival (%) -0.20 1.117 -0.22
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.27
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 8.76

* Based on an €80/tonne carbon price