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 13.70
Milk (kg) -268.00 -0.014 3.75
Fat (kg) -12.41 -0.375 4.65
Prot (kg) -12.00 -0.441 5.30
Fertility Sub Index 3.69
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) -0.81 1.117 -0.90
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 1.27
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 20.50

* Based on an €80/tonne carbon price