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 8.75
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -10.07 -0.375 3.77
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 6.18
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 2.01 1.117 2.25
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.22
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 6.60 -0.432 -2.85
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 16.29

* Based on an €80/tonne carbon price