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 4.36
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -2.42 -0.375 0.91
Prot (kg) -3.25 -0.441 1.43
Fertility Sub Index 5.97
Calving Interval (days) -3.63 -1.459 5.30
Survival (%) 0.60 1.117 0.67
Calving Sub Index 2.18
Gestation Length (days) -2.37 -0.919 2.18
Beef Sub Index 3.01
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 19.56

* Based on an €80/tonne carbon price