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 -10.38
Milk (kg) 101.00 -0.014 -1.41
Fat (kg) 11.92 -0.375 -4.46
Prot (kg) 10.20 -0.441 -4.50
Fertility Sub Index 6.78
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 2.69 1.117 3.01
Calving Sub Index 2.78
Gestation Length (days) -3.02 -0.919 2.78
Beef Sub Index 2.01
Carcass Weight (kg) -8.90 -0.528 4.69
Age of Slaughter (days) 6.21 -0.432 -2.68
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 4.84

* Based on an €80/tonne carbon price