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 4.94
Milk (kg) 23.00 -0.014 -0.32
Fat (kg) -6.72 -0.375 2.52
Prot (kg) -6.23 -0.441 2.75
Fertility Sub Index 1.05
Calving Interval (days) -0.56 -1.459 0.82
Survival (%) 0.21 1.117 0.23
Calving Sub Index -1.37
Gestation Length (days) 1.49 -0.919 -1.37
Beef Sub Index 0.12
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 6.89

* Based on an €80/tonne carbon price