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 4.09
Milk (kg) -249.00 -0.014 3.49
Fat (kg) 1.91 -0.375 -0.72
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index 8.08
Calving Interval (days) -4.91 -1.459 7.16
Survival (%) 0.82 1.117 0.92
Calving Sub Index 0.25
Gestation Length (days) -0.27 -0.919 0.25
Beef Sub Index 1.27
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 17.37

* Based on an €80/tonne carbon price