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 18.44
Milk (kg) -398.00 -0.014 5.57
Fat (kg) -16.15 -0.375 6.05
Prot (kg) -15.44 -0.441 6.81
Fertility Sub Index 8.37
Calving Interval (days) -5.33 -1.459 7.78
Survival (%) 0.53 1.117 0.59
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 2.36
Carcass Weight (kg) -5.80 -0.528 3.06
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 36.41

* Based on an €80/tonne carbon price