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 6.87
Milk (kg) -218.00 -0.014 3.05
Fat (kg) -5.42 -0.375 2.03
Prot (kg) -4.04 -0.441 1.78
Fertility Sub Index 5.04
Calving Interval (days) -3.21 -1.459 4.68
Survival (%) 0.32 1.117 0.36
Calving Sub Index 2.21
Gestation Length (days) -2.40 -0.919 2.21
Beef Sub Index -1.78
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 3.38 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 13.41

* Based on an €80/tonne carbon price