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 7.21
Milk (kg) -208.00 -0.014 2.91
Fat (kg) -6.29 -0.375 2.36
Prot (kg) -4.41 -0.441 1.95
Fertility Sub Index 2.40
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 0.79 1.117 0.88
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.62
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 12.85

* Based on an €80/tonne carbon price