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 12.11
Milk (kg) -238.00 -0.014 3.33
Fat (kg) -11.47 -0.375 4.30
Prot (kg) -10.15 -0.441 4.48
Fertility Sub Index 5.11
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) -0.53 1.117 -0.59
Calving Sub Index -1.59
Gestation Length (days) 1.73 -0.919 -1.59
Beef Sub Index 2.17
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.74 -0.432 0.32
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 21.08

* Based on an €80/tonne carbon price