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 3.51
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -2.02 -0.375 0.76
Prot (kg) -3.39 -0.441 1.50
Fertility Sub Index 5.07
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 1.21
Gestation Length (days) -1.32 -0.919 1.21
Beef Sub Index 4.37
Carcass Weight (kg) -8.30 -0.528 4.38
Age of Slaughter (days) 0.03 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 5.24
Live WT (kg) -17.10 -0.307 5.24
Total Carbon Sub Index 19.40

* Based on an €80/tonne carbon price