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 3.22
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -3.14 -0.375 1.18
Prot (kg) -2.09 -0.441 0.92
Fertility Sub Index -0.75
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) -1.57 1.117 -1.75
Calving Sub Index 2.22
Gestation Length (days) -2.41 -0.919 2.22
Beef Sub Index -1.92
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 6.77 -0.432 -2.92
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 4.30

* Based on an €80/tonne carbon price