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 13.00
Milk (kg) -267.00 -0.014 3.74
Fat (kg) -12.07 -0.375 4.52
Prot (kg) -10.75 -0.441 4.74
Fertility Sub Index 2.75
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) 0.48 1.117 0.54
Calving Sub Index -1.60
Gestation Length (days) 1.74 -0.919 -1.60
Beef Sub Index -2.20
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 4.13 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 17.56

* Based on an €80/tonne carbon price