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 5.40
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -4.88 -0.375 1.83
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 1.35
Calving Interval (days) -0.58 -1.459 0.85
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index -1.47
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 5.02

* Based on an €80/tonne carbon price