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 -2.56
Milk (kg) -6.00 -0.014 0.08
Fat (kg) 7.07 -0.375 -2.65
Prot (kg) 0.00 -0.441 0.00
Fertility Sub Index -0.13
Calving Interval (days) 0.32 -1.459 -0.47
Survival (%) 0.30 1.117 0.34
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index 0.61
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -1.65

* Based on an €80/tonne carbon price