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 5.73
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -1.97 -0.375 0.74
Prot (kg) -5.88 -0.441 2.60
Fertility Sub Index 7.33
Calving Interval (days) -4.24 -1.459 6.19
Survival (%) 1.02 1.117 1.14
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index 2.47
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 19.29

* Based on an €80/tonne carbon price