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 3.23
Milk (kg) -24.00 -0.014 0.34
Fat (kg) -3.56 -0.375 1.33
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index 1.03
Calving Interval (days) -0.66 -1.459 0.96
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.46
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 6.83

* Based on an €80/tonne carbon price