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 0.22
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 1.94 -0.375 -0.73
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 0.78
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.06 1.117 0.07
Calving Sub Index -0.44
Gestation Length (days) 0.48 -0.919 -0.44
Beef Sub Index 0.26
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 2.80

* Based on an €80/tonne carbon price