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 2.76
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -4.50 -0.375 1.69
Prot (kg) -0.68 -0.441 0.30
Fertility Sub Index 6.18
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) 1.64 1.117 1.83
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.44
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.75 -0.432 0.76
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 21.66

* Based on an €80/tonne carbon price