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 13.42
Milk (kg) -299.00 -0.014 4.19
Fat (kg) -11.45 -0.375 4.29
Prot (kg) -11.21 -0.441 4.95
Fertility Sub Index 3.40
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) -2.06 1.117 -2.30
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 2.74
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -1.57 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index 18.39

* Based on an €80/tonne carbon price