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 4.27
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -2.80 -0.375 1.05
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 6.81
Calving Interval (days) -4.15 -1.459 6.06
Survival (%) 0.68 1.117 0.76
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index 3.37
Carcass Weight (kg) -7.00 -0.528 3.69
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 20.01

* Based on an €80/tonne carbon price