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 7.73
Milk (kg) -184.00 -0.014 2.58
Fat (kg) -6.03 -0.375 2.26
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index 6.35
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) 0.88 1.117 0.98
Calving Sub Index 0.13
Gestation Length (days) -0.14 -0.919 0.13
Beef Sub Index -0.81
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 15.45

* Based on an €80/tonne carbon price