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 20.24
Milk (kg) -383.00 -0.014 5.36
Fat (kg) -18.56 -0.375 6.95
Prot (kg) -17.95 -0.441 7.92
Fertility Sub Index 6.03
Calving Interval (days) -3.74 -1.459 5.46
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index -1.10
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 2.30 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 28.32

* Based on an €80/tonne carbon price