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 1.42
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -1.28 -0.375 0.48
Prot (kg) -0.81 -0.441 0.36
Fertility Sub Index -0.60
Calving Interval (days) 1.29 -1.459 -1.88
Survival (%) 1.15 1.117 1.28
Calving Sub Index -0.54
Gestation Length (days) 0.59 -0.919 -0.54
Beef Sub Index -1.70
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 7.60 -0.432 -3.28
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 4.69

* Based on an €80/tonne carbon price