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 1.13
Milk (kg) -155.00 -0.014 2.17
Fat (kg) 3.85 -0.375 -1.44
Prot (kg) -0.91 -0.441 0.40
Fertility Sub Index 5.66
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 1.36 1.117 1.52
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.26
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -1.58 -0.432 0.68
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 19.12

* Based on an €80/tonne carbon price