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 9.15
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -9.84 -0.375 3.69
Prot (kg) -9.46 -0.441 4.18
Fertility Sub Index -1.70
Calving Interval (days) 1.18 -1.459 -1.72
Survival (%) 0.02 1.117 0.02
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index 0.31
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index -3.80
Live WT (kg) 12.40 -0.307 -3.80
Total Carbon Sub Index 4.27

* Based on an €80/tonne carbon price