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 5.43
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -1.92 -0.375 0.72
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 4.75
Calving Interval (days) -2.27 -1.459 3.31
Survival (%) 1.29 1.117 1.44
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.31
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 19.34

* Based on an €80/tonne carbon price