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 5.33
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -6.43 -0.375 2.41
Prot (kg) -2.50 -0.441 1.10
Fertility Sub Index 3.26
Calving Interval (days) -1.00 -1.459 1.46
Survival (%) 1.61 1.117 1.80
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.58
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 21.81

* Based on an €80/tonne carbon price