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 2.42
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -4.13 -0.375 1.55
Prot (kg) -2.55 -0.441 1.13
Fertility Sub Index 2.33
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 0.02 1.117 0.02
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index -1.24
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 6.24

* Based on an €80/tonne carbon price