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 1.03
Milk (kg) -142.00 -0.014 1.99
Fat (kg) 3.21 -0.375 -1.20
Prot (kg) -0.55 -0.441 0.24
Fertility Sub Index 4.25
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) 1.01 1.117 1.13
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -0.52
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 4.13 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 10.66

* Based on an €80/tonne carbon price