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 2.70
Milk (kg) -142.00 -0.014 1.99
Fat (kg) 1.62 -0.375 -0.61
Prot (kg) -2.99 -0.441 1.32
Fertility Sub Index 3.93
Calving Interval (days) -1.49 -1.459 2.17
Survival (%) 1.57 1.117 1.75
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index -1.80
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 8.45 -0.432 -3.65
Maintenance Sub Index Maint. Sub Index 7.08
Live WT (kg) -23.10 -0.307 7.08
Total Carbon Sub Index 12.68

* Based on an €80/tonne carbon price