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 8.48
Milk (kg) -217.00 -0.014 3.04
Fat (kg) -7.62 -0.375 2.85
Prot (kg) -5.86 -0.441 2.59
Fertility Sub Index 5.54
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 1.47 1.117 1.64
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.20
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.70 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 23.41

* Based on an €80/tonne carbon price