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 5.50
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -6.48 -0.375 2.43
Prot (kg) -4.14 -0.441 1.83
Fertility Sub Index 3.36
Calving Interval (days) -3.71 -1.459 5.41
Survival (%) -1.84 1.117 -2.06
Calving Sub Index -3.35
Gestation Length (days) 3.64 -0.919 -3.35
Beef Sub Index 1.76
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) -3.35 -0.432 1.45
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 9.57

* Based on an €80/tonne carbon price