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 8.30
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -5.67 -0.375 2.12
Prot (kg) -6.69 -0.441 2.95
Fertility Sub Index 8.94
Calving Interval (days) -4.67 -1.459 6.81
Survival (%) 1.90 1.117 2.12
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.43
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 0.60 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 25.27

* Based on an €80/tonne carbon price