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 8.41
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -9.61 -0.375 3.60
Prot (kg) -6.69 -0.441 2.95
Fertility Sub Index 7.44
Calving Interval (days) -5.07 -1.459 7.40
Survival (%) 0.04 1.117 0.04
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 3.90
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) -1.82 -0.432 0.79
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 24.14

* Based on an €80/tonne carbon price