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 8.18
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -10.27 -0.375 3.85
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index 5.08
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 3.81
Carcass Weight (kg) -6.70 -0.528 3.53
Age of Slaughter (days) -0.65 -0.432 0.28
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 23.05

* Based on an €80/tonne carbon price