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 8.39
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -7.73 -0.375 2.90
Prot (kg) -6.77 -0.441 2.99
Fertility Sub Index 6.49
Calving Interval (days) -3.07 -1.459 4.48
Survival (%) 1.80 1.117 2.01
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.40
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 4.81
Live WT (kg) -15.70 -0.307 4.81
Total Carbon Sub Index 24.90

* Based on an €80/tonne carbon price