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 7.70
Milk (kg) -261.00 -0.014 3.65
Fat (kg) -3.22 -0.375 1.21
Prot (kg) -6.44 -0.441 2.84
Fertility Sub Index 5.25
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 0.40 1.117 0.45
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 2.38
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 19.79

* Based on an €80/tonne carbon price