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 4.74
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -3.73 -0.375 1.40
Prot (kg) -3.74 -0.441 1.65
Fertility Sub Index 4.66
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 1.17 1.117 1.31
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.99
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) -1.31 -0.432 0.57
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 21.07

* Based on an €80/tonne carbon price