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 2.05
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -1.61 -0.375 0.60
Prot (kg) -0.94 -0.441 0.41
Fertility Sub Index 7.64
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 2.19 1.117 2.45
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.41
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.72 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 18.78

* Based on an €80/tonne carbon price