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 4.85
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -4.99 -0.375 1.87
Prot (kg) -3.26 -0.441 1.44
Fertility Sub Index 3.12
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.30
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.09 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 8.47

* Based on an €80/tonne carbon price