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 -3.02
Milk (kg) 28.00 -0.014 -0.39
Fat (kg) 6.19 -0.375 -2.32
Prot (kg) 0.69 -0.441 -0.30
Fertility Sub Index -0.88
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.08
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 0.40
Live WT (kg) -1.30 -0.307 0.40
Total Carbon Sub Index -2.30

* Based on an €80/tonne carbon price