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 2.32
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index 8.33
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 2.35 1.117 2.63
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -1.50
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 3.60 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 14.85

* Based on an €80/tonne carbon price