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 16.40
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -17.14 -0.375 6.42
Prot (kg) -15.37 -0.441 6.78
Fertility Sub Index 9.03
Calving Interval (days) -5.79 -1.459 8.45
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index -1.41
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 25.72

* Based on an €80/tonne carbon price