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 9.68
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -10.71 -0.375 4.01
Prot (kg) -8.21 -0.441 3.62
Fertility Sub Index 6.32
Calving Interval (days) -2.90 -1.459 4.23
Survival (%) 1.87 1.117 2.09
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -1.94
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 7.42 -0.432 -3.20
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 18.84

* Based on an €80/tonne carbon price