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 2.50
Milk (kg) -115.00 -0.014 1.61
Fat (kg) 3.23 -0.375 -1.21
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index -5.46
Calving Interval (days) 2.82 -1.459 -4.11
Survival (%) -1.20 1.117 -1.34
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index -1.48
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 3.30 -0.432 -1.42
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -3.76

* Based on an €80/tonne carbon price