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 3.47
Milk (kg) -17.00 -0.014 0.24
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index -1.20
Calving Interval (days) 1.64 -1.459 -2.39
Survival (%) 1.07 1.117 1.20
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index 0.49
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) -0.27 -0.432 0.12
Maintenance Sub Index Maint. Sub Index 2.24
Live WT (kg) -7.30 -0.307 2.24
Total Carbon Sub Index 4.58

* Based on an €80/tonne carbon price