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 4.35
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -3.63 -0.375 1.36
Prot (kg) -5.53 -0.441 2.44
Fertility Sub Index 6.06
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 1.45 1.117 1.62
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.27
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 2.18 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 18.82

* Based on an €80/tonne carbon price