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 2.87
Milk (kg) -91.00 -0.014 1.27
Fat (kg) -2.09 -0.375 0.78
Prot (kg) -1.85 -0.441 0.82
Fertility Sub Index 3.90
Calving Interval (days) -2.68 -1.459 3.91
Survival (%) -0.01 1.117 -0.01
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index -0.58
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 0.49 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 8.64

* Based on an €80/tonne carbon price