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 8.32
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -6.52 -0.375 2.44
Prot (kg) -7.51 -0.441 3.31
Fertility Sub Index 1.47
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) 0.56 1.117 0.63
Calving Sub Index -0.20
Gestation Length (days) 0.22 -0.919 -0.20
Beef Sub Index 1.40
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) -5.32 -0.432 2.30
Maintenance Sub Index Maint. Sub Index -5.70
Live WT (kg) 18.60 -0.307 -5.70
Total Carbon Sub Index 5.28

* Based on an €80/tonne carbon price