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 12.42
Milk (kg) -465.00 -0.014 6.51
Fat (kg) -5.00 -0.375 1.87
Prot (kg) -9.15 -0.441 4.04
Fertility Sub Index 5.09
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 0.70 1.117 0.78
Calving Sub Index 0.02
Gestation Length (days) -0.02 -0.919 0.02
Beef Sub Index 0.95
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 20.93

* Based on an €80/tonne carbon price