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 2.87
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -1.22 -0.375 0.46
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index 0.33
Calving Interval (days) -0.09 -1.459 0.13
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.22 -0.432 -0.53
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price