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 1.40
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -0.62 -0.375 0.23
Prot (kg) 0.14 -0.441 -0.06
Fertility Sub Index 8.66
Calving Interval (days) -4.36 -1.459 6.36
Survival (%) 2.06 1.117 2.30
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.20
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.49 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 20.57

* Based on an €80/tonne carbon price