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 2.26
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -2.94 -0.441 1.30
Fertility Sub Index 7.06
Calving Interval (days) -3.98 -1.459 5.81
Survival (%) 1.12 1.117 1.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 3.11
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 0.00 -0.432 0.00
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 15.27

* Based on an €80/tonne carbon price