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 7.26
Milk (kg) -250.00 -0.014 3.50
Fat (kg) -1.57 -0.375 0.59
Prot (kg) -7.19 -0.441 3.17
Fertility Sub Index 3.53
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 2.09 1.117 2.33
Calving Sub Index 2.20
Gestation Length (days) -2.39 -0.919 2.20
Beef Sub Index 4.22
Carcass Weight (kg) -9.60 -0.528 5.06
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 21.87

* Based on an €80/tonne carbon price