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 6.80
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -6.33 -0.375 2.37
Prot (kg) -6.86 -0.441 3.03
Fertility Sub Index 6.08
Calving Interval (days) -3.61 -1.459 5.27
Survival (%) 0.73 1.117 0.82
Calving Sub Index 2.48
Gestation Length (days) -2.70 -0.919 2.48
Beef Sub Index 3.44
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) -3.21 -0.432 1.39
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 19.42

* Based on an €80/tonne carbon price