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 8.47
Milk (kg) -341.00 -0.014 4.77
Fat (kg) -6.85 -0.375 2.57
Prot (kg) -2.55 -0.441 1.13
Fertility Sub Index 5.92
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 0.96 1.117 1.07
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 1.63
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -0.12 -0.432 0.05
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price