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 0.30
Milk (kg) -39.00 -0.014 0.55
Fat (kg) 0.92 -0.375 -0.34
Prot (kg) -0.22 -0.441 0.10
Fertility Sub Index 5.53
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.02 1.117 1.14
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 3.03
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -3.73 -0.432 1.61
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 20.08

* Based on an €80/tonne carbon price