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 6.06
Milk (kg) -300.00 -0.014 4.20
Fat (kg) 1.02 -0.375 -0.38
Prot (kg) -5.09 -0.441 2.25
Fertility Sub Index 2.95
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 0.21 1.117 0.23
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.40
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.52 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 12.18

* Based on an €80/tonne carbon price