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 10.26
Milk (kg) -207.00 -0.014 2.90
Fat (kg) -10.55 -0.375 3.95
Prot (kg) -7.72 -0.441 3.41
Fertility Sub Index 5.78
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 0.34 1.117 0.38
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index 0.36
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 20.36

* Based on an €80/tonne carbon price