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 7.14
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -7.19 -0.375 2.69
Prot (kg) -4.75 -0.441 2.10
Fertility Sub Index 8.64
Calving Interval (days) -4.36 -1.459 6.36
Survival (%) 2.04 1.117 2.28
Calving Sub Index -1.99
Gestation Length (days) 2.16 -0.919 -1.99
Beef Sub Index -0.80
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 4.69
Live WT (kg) -15.30 -0.307 4.69
Total Carbon Sub Index 17.69

* Based on an €80/tonne carbon price