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 7.31
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -8.59 -0.375 3.22
Prot (kg) -8.31 -0.441 3.67
Fertility Sub Index -6.40
Calving Interval (days) 3.94 -1.459 -5.75
Survival (%) -0.58 1.117 -0.65
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -0.32
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 6.73 -0.432 -2.91
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 2.47

* Based on an €80/tonne carbon price