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 3.75
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -3.77 -0.375 1.41
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index 1.52
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.75
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 2.29 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 7.52

* Based on an €80/tonne carbon price