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 22.46
Milk (kg) -327.00 -0.014 4.58
Fat (kg) -25.42 -0.375 9.52
Prot (kg) -18.94 -0.441 8.36
Fertility Sub Index 7.16
Calving Interval (days) -4.25 -1.459 6.20
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index 0.30
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.12 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 33.71

* Based on an €80/tonne carbon price