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 9.09
Milk (kg) -231.00 -0.014 3.23
Fat (kg) -7.90 -0.375 2.96
Prot (kg) -6.56 -0.441 2.90
Fertility Sub Index 5.99
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) 1.95 1.117 2.18
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.13
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 2.77 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 26.66

* Based on an €80/tonne carbon price