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 2.14
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -0.53 -0.375 0.20
Prot (kg) -0.56 -0.441 0.25
Fertility Sub Index 4.20
Calving Interval (days) -2.49 -1.459 3.63
Survival (%) 0.51 1.117 0.57
Calving Sub Index 3.87
Gestation Length (days) -4.21 -0.919 3.87
Beef Sub Index 4.39
Carcass Weight (kg) -8.60 -0.528 4.54
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 17.06

* Based on an €80/tonne carbon price