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 2.25
Milk (kg) -109.00 -0.014 1.53
Fat (kg) 0.11 -0.375 -0.04
Prot (kg) -1.73 -0.441 0.76
Fertility Sub Index 0.78
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 4.69

* Based on an €80/tonne carbon price