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 -1.01
Milk (kg) 31.00 -0.014 -0.43
Fat (kg) 2.65 -0.375 -0.99
Prot (kg) -0.95 -0.441 0.42
Fertility Sub Index -5.95
Calving Interval (days) 3.71 -1.459 -5.41
Survival (%) -0.48 1.117 -0.54
Calving Sub Index 1.15
Gestation Length (days) -1.25 -0.919 1.15
Beef Sub Index -0.92
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index -4.83

* Based on an €80/tonne carbon price