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 7.20
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -7.19 -0.375 2.69
Prot (kg) -5.77 -0.441 2.55
Fertility Sub Index 7.36
Calving Interval (days) -4.44 -1.459 6.48
Survival (%) 0.79 1.117 0.88
Calving Sub Index 1.03
Gestation Length (days) -1.12 -0.919 1.03
Beef Sub Index 1.18
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 18.92

* Based on an €80/tonne carbon price