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 8.59
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -3.71 -0.375 1.39
Prot (kg) -8.16 -0.441 3.60
Fertility Sub Index 4.95
Calving Interval (days) -3.13 -1.459 4.57
Survival (%) 0.34 1.117 0.38
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 1.97
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 20.54

* Based on an €80/tonne carbon price