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 2.65
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -1.51 -0.375 0.57
Prot (kg) -2.05 -0.441 0.90
Fertility Sub Index 1.54
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 0.33 1.117 0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.22
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 6.05

* Based on an €80/tonne carbon price