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 8.00
Milk (kg) -233.00 -0.014 3.26
Fat (kg) -6.13 -0.375 2.30
Prot (kg) -5.53 -0.441 2.44
Fertility Sub Index 6.28
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index 0.88
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 19.44

* Based on an €80/tonne carbon price