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 3.17
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -2.15 -0.375 0.81
Prot (kg) -2.29 -0.441 1.01
Fertility Sub Index 6.15
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.72 1.117 1.92
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.08
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 0.19 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 20.68

* Based on an €80/tonne carbon price