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 7.53
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -6.53 -0.375 2.45
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 6.62
Calving Interval (days) -3.15 -1.459 4.60
Survival (%) 1.81 1.117 2.02
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.56
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -2.38 -0.432 1.03
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 25.71

* Based on an €80/tonne carbon price