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 3.74
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -1.30 -0.375 0.49
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index -1.14
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) -0.62 1.117 -0.69
Calving Sub Index -0.06
Gestation Length (days) 0.07 -0.919 -0.06
Beef Sub Index 1.20
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.52 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 4.31

* Based on an €80/tonne carbon price