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 5.45
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -4.02 -0.375 1.51
Prot (kg) -6.39 -0.441 2.82
Fertility Sub Index 5.87
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.26
Gestation Length (days) 0.28 -0.919 -0.26
Beef Sub Index -0.70
Carcass Weight (kg) 0.05 -0.528 -0.03
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 12.62

* Based on an €80/tonne carbon price