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 0.48
Milk (kg) -301.00 -0.014 4.21
Fat (kg) 13.54 -0.375 -5.07
Prot (kg) -3.02 -0.441 1.33
Fertility Sub Index 4.58
Calving Interval (days) -1.84 -1.459 2.68
Survival (%) 1.70 1.117 1.90
Calving Sub Index 2.99
Gestation Length (days) -3.25 -0.919 2.99
Beef Sub Index -1.15
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 2.30 -0.432 -0.99
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 7.69

* Based on an €80/tonne carbon price