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 1.81
Milk (kg) -164.00 -0.014 2.30
Fat (kg) 2.93 -0.375 -1.10
Prot (kg) -1.38 -0.441 0.61
Fertility Sub Index 6.42
Calving Interval (days) -2.89 -1.459 4.22
Survival (%) 1.97 1.117 2.20
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.69
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -1.70 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 20.96

* Based on an €80/tonne carbon price