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 6.14
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -5.90 -0.375 2.21
Prot (kg) -5.31 -0.441 2.34
Fertility Sub Index 0.83
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 8.48

* Based on an €80/tonne carbon price