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 4.77
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -9.86 -0.375 3.69
Prot (kg) -0.69 -0.441 0.30
Fertility Sub Index 5.42
Calving Interval (days) -2.54 -1.459 3.71
Survival (%) 1.53 1.117 1.71
Calving Sub Index -1.65
Gestation Length (days) 1.80 -0.919 -1.65
Beef Sub Index -2.99
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 7.41 -0.432 -3.20
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 10.30

* Based on an €80/tonne carbon price