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 8.34
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -6.90 -0.375 2.58
Prot (kg) -8.05 -0.441 3.55
Fertility Sub Index 6.26
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.91 1.117 2.13
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 2.82
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -3.47 -0.432 1.50
Maintenance Sub Index Maint. Sub Index -3.25
Live WT (kg) 10.60 -0.307 -3.25
Total Carbon Sub Index 14.05

* Based on an €80/tonne carbon price