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 -2.01
Milk (kg) 118.00 -0.014 -1.65
Fat (kg) -1.86 -0.375 0.70
Prot (kg) 2.40 -0.441 -1.06
Fertility Sub Index -0.79
Calving Interval (days) 0.32 -1.459 -0.47
Survival (%) -0.29 1.117 -0.32
Calving Sub Index 0.56
Gestation Length (days) -0.61 -0.919 0.56
Beef Sub Index 0.15
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index -1.85

* Based on an €80/tonne carbon price