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 5.36
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -5.95 -0.375 2.23
Prot (kg) -2.68 -0.441 1.18
Fertility Sub Index 6.30
Calving Interval (days) -2.26 -1.459 3.30
Survival (%) 2.69 1.117 3.01
Calving Sub Index -1.65
Gestation Length (days) 1.79 -0.919 -1.65
Beef Sub Index -8.26
Carcass Weight (kg) 13.90 -0.528 -7.33
Age of Slaughter (days) 2.14 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index -8.58
Live WT (kg) 28.00 -0.307 -8.58
Total Carbon Sub Index -6.83

* Based on an €80/tonne carbon price