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 5.93
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -6.45 -0.375 2.42
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index 1.73
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.74 1.117 0.83
Calving Sub Index -0.92
Gestation Length (days) 1.00 -0.919 -0.92
Beef Sub Index -0.45
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 0.67 -0.432 -0.29
Maintenance Sub Index Maint. Sub Index 5.27
Live WT (kg) -17.20 -0.307 5.27
Total Carbon Sub Index 11.56

* Based on an €80/tonne carbon price