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 4.26
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -6.43 -0.375 2.41
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 3.71
Calving Interval (days) -3.23 -1.459 4.71
Survival (%) -0.90 1.117 -1.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.90
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index -1.75
Live WT (kg) 5.70 -0.307 -1.75
Total Carbon Sub Index 4.85

* Based on an €80/tonne carbon price