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 3.36
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) -3.95 -0.375 1.48
Prot (kg) -4.38 -0.441 1.93
Fertility Sub Index -1.02
Calving Interval (days) 0.40 -1.459 -0.58
Survival (%) -0.39 1.117 -0.44
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.88
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 4.28

* Based on an €80/tonne carbon price