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 7.28
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -6.65 -0.375 2.49
Prot (kg) -8.07 -0.441 3.56
Fertility Sub Index 8.10
Calving Interval (days) -3.49 -1.459 5.09
Survival (%) 2.69 1.117 3.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 2.72
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 0.29 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 23.89

* Based on an €80/tonne carbon price