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 2.86
Milk (kg) -132.00 -0.014 1.85
Fat (kg) 3.37 -0.375 -1.26
Prot (kg) -5.15 -0.441 2.27
Fertility Sub Index 5.65
Calving Interval (days) -3.77 -1.459 5.50
Survival (%) 0.13 1.117 0.15
Calving Sub Index 1.12
Gestation Length (days) -1.22 -0.919 1.12
Beef Sub Index 1.06
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 3.65 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 15.57

* Based on an €80/tonne carbon price