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 7.51
Milk (kg) -158.00 -0.014 2.21
Fat (kg) -6.42 -0.375 2.40
Prot (kg) -6.56 -0.441 2.90
Fertility Sub Index 5.01
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 1.22 1.117 1.36
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.70
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.58 -0.432 1.11
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 25.71

* Based on an €80/tonne carbon price