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 0.51
Milk (kg) -71.00 -0.014 0.99
Fat (kg) 1.61 -0.375 -0.60
Prot (kg) -0.28 -0.441 0.12
Fertility Sub Index 2.69
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) 0.57 1.117 0.64
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.15
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.40 -0.432 -0.17
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 14.04

* Based on an €80/tonne carbon price