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 4.07
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -5.46 -0.375 2.05
Prot (kg) -5.31 -0.441 2.34
Fertility Sub Index 1.80
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.41
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 7.34

* Based on an €80/tonne carbon price