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 5.26
Milk (kg) -277.00 -0.014 3.88
Fat (kg) 4.23 -0.375 -1.58
Prot (kg) -6.72 -0.441 2.97
Fertility Sub Index 7.84
Calving Interval (days) -4.56 -1.459 6.65
Survival (%) 1.06 1.117 1.18
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index 1.18
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 18.40

* Based on an €80/tonne carbon price