Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 6.78
Milk (kg) -142.00 -0.014 1.99
Fat (kg) -6.22 -0.375 2.33
Prot (kg) -5.57 -0.441 2.46
Fertility Sub Index 0.37
Calving Interval (days) 0.30 -1.459 -0.44
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.87
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 16.09

* Based on an €80/tonne carbon price