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 4.42
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -3.48 -0.375 1.30
Prot (kg) -2.84 -0.441 1.25
Fertility Sub Index 4.53
Calving Interval (days) -2.37 -1.459 3.46
Survival (%) 0.96 1.117 1.07
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 3.05
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -2.30 -0.432 0.99
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 21.05

* Based on an €80/tonne carbon price