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 0.18
Milk (kg) -41.00 -0.014 0.57
Fat (kg) 4.75 -0.375 -1.78
Prot (kg) -3.14 -0.441 1.39
Fertility Sub Index 5.71
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.46
Gestation Length (days) -0.50 -0.919 0.46
Beef Sub Index 0.18
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 9.59

* Based on an €80/tonne carbon price