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 7.88
Milk (kg) -196.00 -0.014 2.74
Fat (kg) -7.89 -0.375 2.96
Prot (kg) -4.95 -0.441 2.18
Fertility Sub Index 3.35
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.70 1.117 0.78
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 0.10
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 12.69

* Based on an €80/tonne carbon price