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 3.64
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -0.68 -0.375 0.25
Prot (kg) -2.95 -0.441 1.30
Fertility Sub Index 6.62
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 1.68 1.117 1.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.85
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 4.29 -0.432 -1.85
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 18.12

* Based on an €80/tonne carbon price