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 4.38
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -3.07 -0.375 1.15
Prot (kg) -4.62 -0.441 2.04
Fertility Sub Index 0.51
Calving Interval (days) -0.34 -1.459 0.50
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.10
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 6.53

* Based on an €80/tonne carbon price