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 4.58
Milk (kg) -96.00 -0.014 1.34
Fat (kg) -8.04 -0.375 3.01
Prot (kg) -0.50 -0.441 0.22
Fertility Sub Index 6.12
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 1.68 1.117 1.88
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.16
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.21 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 21.97

* Based on an €80/tonne carbon price