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 6.40
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -5.25 -0.375 1.97
Prot (kg) -5.39 -0.441 2.38
Fertility Sub Index 5.63
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 1.42 1.117 1.59
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.47
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -1.68 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 24.92

* Based on an €80/tonne carbon price