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 -0.23
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 0.26 -0.375 -0.10
Prot (kg) 0.23 -0.441 -0.10
Fertility Sub Index 5.80
Calving Interval (days) -2.95 -1.459 4.30
Survival (%) 1.34 1.117 1.50
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.76
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 6.07
Live WT (kg) -19.80 -0.307 6.07
Total Carbon Sub Index 17.21

* Based on an €80/tonne carbon price