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 -1.90
Milk (kg) -30.00 -0.014 0.42
Fat (kg) 4.19 -0.375 -1.57
Prot (kg) 1.70 -0.441 -0.75
Fertility Sub Index -0.33
Calving Interval (days) 0.68 -1.459 -0.99
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 3.90
Carcass Weight (kg) -8.80 -0.528 4.64
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 8.75

* Based on an €80/tonne carbon price