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 3.78
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -2.16 -0.375 0.81
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 5.15
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) 1.28 1.117 1.43
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.12
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.87 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 19.39

* Based on an €80/tonne carbon price