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 17.37
Milk (kg) -281.00 -0.014 3.93
Fat (kg) -20.44 -0.375 7.66
Prot (kg) -13.10 -0.441 5.78
Fertility Sub Index -1.10
Calving Interval (days) 0.47 -1.459 -0.69
Survival (%) -0.37 1.117 -0.41
Calving Sub Index -3.08
Gestation Length (days) 3.35 -0.919 -3.08
Beef Sub Index 1.04
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) -1.80 -0.432 0.78
Maintenance Sub Index Maint. Sub Index 5.33
Live WT (kg) -17.40 -0.307 5.33
Total Carbon Sub Index 19.57

* Based on an €80/tonne carbon price