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 2.68
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.44 -0.375 0.54
Prot (kg) -2.03 -0.441 0.90
Fertility Sub Index 7.94
Calving Interval (days) -4.44 -1.459 6.48
Survival (%) 1.31 1.117 1.46
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 2.20
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 17.80

* Based on an €80/tonne carbon price