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 10.85
Milk (kg) -229.00 -0.014 3.21
Fat (kg) -11.60 -0.375 4.34
Prot (kg) -7.47 -0.441 3.30
Fertility Sub Index 8.90
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 2.51 1.117 2.80
Calving Sub Index 0.02
Gestation Length (days) -0.02 -0.919 0.02
Beef Sub Index 3.20
Carcass Weight (kg) -6.10 -0.528 3.22
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 24.87

* Based on an €80/tonne carbon price