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 6.20
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -4.70 -0.375 1.76
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 5.15
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 0.94 1.117 1.05
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 1.38
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 3.99
Live WT (kg) -13.00 -0.307 3.99
Total Carbon Sub Index 16.83

* Based on an €80/tonne carbon price