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 4.04
Milk (kg) -51.00 -0.014 0.71
Fat (kg) -5.31 -0.375 1.99
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 5.40
Calving Interval (days) -3.09 -1.459 4.51
Survival (%) 0.80 1.117 0.89
Calving Sub Index 1.08
Gestation Length (days) -1.17 -0.919 1.08
Beef Sub Index 4.77
Carcass Weight (kg) -10.50 -0.528 5.54
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 21.76

* Based on an €80/tonne carbon price