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 0.90
Milk (kg) 53.00 -0.014 -0.74
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -3.06 -0.441 1.35
Fertility Sub Index 2.46
Calving Interval (days) -0.87 -1.459 1.27
Survival (%) 1.07 1.117 1.20
Calving Sub Index 1.41
Gestation Length (days) -1.53 -0.919 1.41
Beef Sub Index 0.09
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 9.07

* Based on an €80/tonne carbon price