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 29.59
Milk (kg) -501.00 -0.014 7.01
Fat (kg) -28.22 -0.375 10.57
Prot (kg) -27.21 -0.441 12.01
Fertility Sub Index 2.65
Calving Interval (days) -1.40 -1.459 2.04
Survival (%) 0.54 1.117 0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.92
Carcass Weight (kg) -5.60 -0.528 2.95
Age of Slaughter (days) 0.09 -0.432 -0.04
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 39.55

* Based on an €80/tonne carbon price