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 5.90
Milk (kg) -232.00 -0.014 3.25
Fat (kg) 1.65 -0.375 -0.62
Prot (kg) -7.40 -0.441 3.27
Fertility Sub Index 2.48
Calving Interval (days) -1.50 -1.459 2.19
Survival (%) 0.26 1.117 0.29
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index 1.02
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.05 -0.432 -0.45
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 10.73

* Based on an €80/tonne carbon price