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 3.30
Milk (kg) -164.00 -0.014 2.30
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -0.52 -0.441 0.23
Fertility Sub Index 5.09
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 1.20 1.117 1.34
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.10
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) 1.61 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 7.33
Live WT (kg) -23.90 -0.307 7.33
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price