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 6.08
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.44 -0.375 2.04
Prot (kg) -4.69 -0.441 2.07
Fertility Sub Index 7.08
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 0.97 1.117 1.08
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 0.25
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 17.46

* Based on an €80/tonne carbon price