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 4.40
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -3.03 -0.375 1.13
Prot (kg) -2.47 -0.441 1.09
Fertility Sub Index 1.74
Calving Interval (days) -1.39 -1.459 2.03
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 2.68
Gestation Length (days) -2.92 -0.919 2.68
Beef Sub Index -0.90
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.91 -0.432 -1.69
Maintenance Sub Index Maint. Sub Index -2.24
Live WT (kg) 7.30 -0.307 -2.24
Total Carbon Sub Index 5.68

* Based on an €80/tonne carbon price