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 3.75
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -3.48 -0.375 1.30
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 0.05
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) 1.74 1.117 1.94
Calving Sub Index -1.35
Gestation Length (days) 1.47 -0.919 -1.35
Beef Sub Index -2.10
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 5.96 -0.432 -2.57
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 3.93

* Based on an €80/tonne carbon price