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 1.95
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -1.48 -0.375 0.55
Prot (kg) -1.48 -0.441 0.65
Fertility Sub Index 2.90
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.61 1.117 0.68
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.78
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.39 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 14.36

* Based on an €80/tonne carbon price