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 2.51
Milk (kg) -124.00 -0.014 1.74
Fat (kg) 0.77 -0.375 -0.29
Prot (kg) -2.41 -0.441 1.06
Fertility Sub Index 1.59
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.07
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 8.51

* Based on an €80/tonne carbon price