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 2.42
Milk (kg) -41.00 -0.014 0.57
Fat (kg) -1.05 -0.375 0.39
Prot (kg) -3.30 -0.441 1.46
Fertility Sub Index 7.03
Calving Interval (days) -4.12 -1.459 6.01
Survival (%) 0.91 1.117 1.02
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index 1.09
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -0.32 -0.432 0.14
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 14.29

* Based on an €80/tonne carbon price