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 0.99
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -1.01 -0.375 0.38
Prot (kg) -1.08 -0.441 0.48
Fertility Sub Index 3.16
Calving Interval (days) -1.82 -1.459 2.66
Survival (%) 0.45 1.117 0.50
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.33
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 7.84

* Based on an €80/tonne carbon price