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 3.27
Milk (kg) -163.00 -0.014 2.28
Fat (kg) 3.02 -0.375 -1.13
Prot (kg) -4.80 -0.441 2.12
Fertility Sub Index 7.82
Calving Interval (days) -4.98 -1.459 7.27
Survival (%) 0.50 1.117 0.56
Calving Sub Index 2.39
Gestation Length (days) -2.60 -0.919 2.39
Beef Sub Index 0.05
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 16.63

* Based on an €80/tonne carbon price