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 1.16
Milk (kg) 22.00 -0.014 -0.31
Fat (kg) -1.24 -0.375 0.46
Prot (kg) -2.27 -0.441 1.00
Fertility Sub Index -5.34
Calving Interval (days) 2.75 -1.459 -4.01
Survival (%) -1.19 1.117 -1.33
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.25
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 3.94 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index -1.07

* Based on an €80/tonne carbon price