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 1.65
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -0.59 -0.375 0.22
Prot (kg) -1.34 -0.441 0.59
Fertility Sub Index 0.20
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.34
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.54 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 3.84

* Based on an €80/tonne carbon price