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 -2.50
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 3.41 -0.375 -1.28
Prot (kg) 2.74 -0.441 -1.21
Fertility Sub Index 6.55
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 1.62 1.117 1.81
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.94
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 14.37

* Based on an €80/tonne carbon price