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 5.75
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -4.24 -0.375 1.59
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 7.40
Calving Interval (days) -4.39 -1.459 6.41
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 0.23
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.29 -0.432 -0.56
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 17.74

* Based on an €80/tonne carbon price