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 4.85
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -6.24 -0.375 2.34
Prot (kg) -5.64 -0.441 2.49
Fertility Sub Index -3.30
Calving Interval (days) 1.45 -1.459 -2.12
Survival (%) -1.06 1.117 -1.18
Calving Sub Index 0.59
Gestation Length (days) -0.64 -0.919 0.59
Beef Sub Index 0.87
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.38 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 3.75

* Based on an €80/tonne carbon price