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 4.11
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -2.81 -0.375 1.05
Prot (kg) -2.62 -0.441 1.16
Fertility Sub Index 5.94
Calving Interval (days) -3.10 -1.459 4.52
Survival (%) 1.27 1.117 1.42
Calving Sub Index 1.76
Gestation Length (days) -1.92 -0.919 1.76
Beef Sub Index 2.60
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -3.46 -0.432 1.49
Maintenance Sub Index Maint. Sub Index 6.35
Live WT (kg) -20.70 -0.307 6.35
Total Carbon Sub Index 20.76

* Based on an €80/tonne carbon price