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 2.61
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.53 1.117 0.59
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index 1.00
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.61 -0.432 -0.26
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 10.13

* Based on an €80/tonne carbon price