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 6.07
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -2.40 -0.375 0.90
Prot (kg) -6.57 -0.441 2.90
Fertility Sub Index 9.87
Calving Interval (days) -4.81 -1.459 7.02
Survival (%) 2.55 1.117 2.85
Calving Sub Index 4.22
Gestation Length (days) -4.59 -0.919 4.22
Beef Sub Index 2.60
Carcass Weight (kg) -8.50 -0.528 4.48
Age of Slaughter (days) 4.36 -0.432 -1.88
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 26.12

* Based on an €80/tonne carbon price