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 4.43
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.02 -0.375 0.76
Prot (kg) -3.73 -0.441 1.65
Fertility Sub Index 3.30
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) 1.37 1.117 1.53
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index 6.51
Carcass Weight (kg) -18.60 -0.528 9.81
Age of Slaughter (days) 7.65 -0.432 -3.30
Maintenance Sub Index Maint. Sub Index 15.73
Live WT (kg) -51.30 -0.307 15.73
Total Carbon Sub Index 30.51

* Based on an €80/tonne carbon price