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 3.48
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -3.82 -0.441 1.69
Fertility Sub Index -1.16
Calving Interval (days) 0.65 -1.459 -0.95
Survival (%) -0.19 1.117 -0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.10
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -1.94 -0.432 0.84
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 6.29

* Based on an €80/tonne carbon price