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 3.70
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -2.22 -0.375 0.83
Prot (kg) -2.37 -0.441 1.05
Fertility Sub Index 8.60
Calving Interval (days) -5.15 -1.459 7.51
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index -0.80
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index -1.47
Live WT (kg) 4.80 -0.307 -1.47
Total Carbon Sub Index 10.53

* Based on an €80/tonne carbon price