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 0.40
Milk (kg) -50.00 -0.014 0.70
Fat (kg) 1.70 -0.375 -0.64
Prot (kg) -0.77 -0.441 0.34
Fertility Sub Index 1.02
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) 0.93 1.117 1.04
Calving Sub Index 2.51
Gestation Length (days) -2.73 -0.919 2.51
Beef Sub Index 2.33
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) 3.76 -0.432 -1.62
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 8.75

* Based on an €80/tonne carbon price