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 4.25
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -0.95 -0.375 0.36
Prot (kg) -3.88 -0.441 1.71
Fertility Sub Index 4.10
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 1.58 1.117 1.77
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index -2.00
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 8.78 -0.432 -3.79
Maintenance Sub Index Maint. Sub Index 6.99
Live WT (kg) -22.80 -0.307 6.99
Total Carbon Sub Index 14.16

* Based on an €80/tonne carbon price