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 13.34
Milk (kg) -381.00 -0.014 5.33
Fat (kg) -11.32 -0.375 4.24
Prot (kg) -8.54 -0.441 3.77
Fertility Sub Index 7.01
Calving Interval (days) -4.47 -1.459 6.52
Survival (%) 0.44 1.117 0.49
Calving Sub Index 2.24
Gestation Length (days) -2.44 -0.919 2.24
Beef Sub Index -1.39
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) -0.69 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 21.82

* Based on an €80/tonne carbon price