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 27.95
Milk (kg) -1114.00 -0.014 15.60
Fat (kg) -8.14 -0.375 3.05
Prot (kg) -21.08 -0.441 9.30
Fertility Sub Index 4.40
Calving Interval (days) -1.78 -1.459 2.60
Survival (%) 1.61 1.117 1.80
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -1.85
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.69 -0.432 -3.75
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 38.35

* Based on an €80/tonne carbon price