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 2.57
Milk (kg) -91.00 -0.014 1.27
Fat (kg) 2.68 -0.375 -1.00
Prot (kg) -5.20 -0.441 2.30
Fertility Sub Index 0.70
Calving Interval (days) -0.46 -1.459 0.67
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 4.85

* Based on an €80/tonne carbon price