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 6.42
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -5.35 -0.375 2.00
Prot (kg) -5.03 -0.441 2.22
Fertility Sub Index 7.18
Calving Interval (days) -4.50 -1.459 6.57
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 3.80
Carcass Weight (kg) -6.90 -0.528 3.64
Age of Slaughter (days) -0.37 -0.432 0.16
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 21.68

* Based on an €80/tonne carbon price