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 2.00
Milk (kg) 19.00 -0.014 -0.27
Fat (kg) -7.18 -0.375 2.69
Prot (kg) 0.97 -0.441 -0.43
Fertility Sub Index -0.76
Calving Interval (days) 0.45 -1.459 -0.66
Survival (%) -0.09 1.117 -0.10
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index -1.79
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) 0.85 -0.432 -0.37
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index -2.40

* Based on an €80/tonne carbon price