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 6.79
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -9.72 -0.375 3.64
Prot (kg) -5.89 -0.441 2.60
Fertility Sub Index 3.86
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 0.71 1.117 0.79
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 0.40
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 2.85 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 11.75

* Based on an €80/tonne carbon price