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 1.30
Milk (kg) -69.00 -0.014 0.97
Fat (kg) 0.46 -0.375 -0.17
Prot (kg) -1.14 -0.441 0.50
Fertility Sub Index 7.31
Calving Interval (days) -3.52 -1.459 5.14
Survival (%) 1.95 1.117 2.18
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.46
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.53 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 18.99

* Based on an €80/tonne carbon price